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-rwxr-xr-xmeap/actionkv/target/.rustc_info.json1
-rwxr-xr-xmeap/actionkv/target/debug/.cargo-lock0
-rwxr-xr-xmeap/ch3/target/.rustc_info.json1
-rwxr-xr-xmeap/ch3/target/debug/.cargo-lock0
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diff --git a/meap/actionkv/target/.rustc_info.json b/meap/actionkv/target/.rustc_info.json
deleted file mode 100755
index 6645707..0000000
--- a/meap/actionkv/target/.rustc_info.json
+++ /dev/null
@@ -1 +0,0 @@
-{"rustc_fingerprint":5361904215157244162,"outputs":{"1164083562126845933":["rustc 1.34.0\nbinary: rustc\ncommit-hash: unknown\ncommit-date: unknown\nhost: x86_64-unknown-linux-gnu\nrelease: 1.34.0\nLLVM version: 8.0\n",""],"15337506775154344876":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""],"1617349019360157463":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""]},"successes":{}} \ No newline at end of file
diff --git a/meap/actionkv/target/debug/.cargo-lock b/meap/actionkv/target/debug/.cargo-lock
deleted file mode 100755
index e69de29..0000000
--- a/meap/actionkv/target/debug/.cargo-lock
+++ /dev/null
diff --git a/meap/ch3/target/.rustc_info.json b/meap/ch3/target/.rustc_info.json
deleted file mode 100755
index 3415f66..0000000
--- a/meap/ch3/target/.rustc_info.json
+++ /dev/null
@@ -1 +0,0 @@
-{"rustc_fingerprint":13695841021720482612,"outputs":{"15337506775154344876":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""],"1164083562126845933":["rustc 1.33.0\nbinary: rustc\ncommit-hash: unknown\ncommit-date: unknown\nhost: x86_64-unknown-linux-gnu\nrelease: 1.33.0\nLLVM version: 7.0\n",""],"1617349019360157463":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""]},"successes":{}} \ No newline at end of file
diff --git a/meap/ch3/target/debug/.cargo-lock b/meap/ch3/target/debug/.cargo-lock
deleted file mode 100755
index e69de29..0000000
--- a/meap/ch3/target/debug/.cargo-lock
+++ /dev/null
diff --git a/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/bin-ch3-836fb87c62f4cee3 b/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/bin-ch3-836fb87c62f4cee3
deleted file mode 100755
index a07293c..0000000
--- a/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/bin-ch3-836fb87c62f4cee3
+++ /dev/null
@@ -1 +0,0 @@
-f499f9b9913f52ee \ No newline at end of file
diff --git a/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/bin-ch3-836fb87c62f4cee3.json b/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/bin-ch3-836fb87c62f4cee3.json
deleted file mode 100755
index 4a2a042..0000000
--- a/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/bin-ch3-836fb87c62f4cee3.json
+++ /dev/null
@@ -1 +0,0 @@
-{"rustc":8694411935207622754,"features":"[]","target":5002437795762691898,"profile":9767907788551385638,"path":1036222786711178230,"deps":[],"local":[{"MtimeBased":[[1555693201,7659000],".fingerprint/ch3-836fb87c62f4cee3/dep-bin-ch3-836fb87c62f4cee3"]}],"rustflags":[],"edition":"Edition2018"} \ No newline at end of file
diff --git a/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/dep-bin-ch3-836fb87c62f4cee3 b/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/dep-bin-ch3-836fb87c62f4cee3
deleted file mode 100755
index e046c38..0000000
--- a/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/dep-bin-ch3-836fb87c62f4cee3
+++ /dev/null
Binary files differ
diff --git a/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/invoked.timestamp b/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch3/target/debug/.fingerprint/ch3-836fb87c62f4cee3/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/dep-test-bin-ch3-e2250ace3d2170f5 b/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/dep-test-bin-ch3-e2250ace3d2170f5
deleted file mode 100755
index e046c38..0000000
--- a/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/dep-test-bin-ch3-e2250ace3d2170f5
+++ /dev/null
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diff --git a/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/invoked.timestamp b/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/test-bin-ch3-e2250ace3d2170f5 b/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/test-bin-ch3-e2250ace3d2170f5
deleted file mode 100755
index f4434fb..0000000
--- a/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/test-bin-ch3-e2250ace3d2170f5
+++ /dev/null
@@ -1 +0,0 @@
-96d381f757420021 \ No newline at end of file
diff --git a/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/test-bin-ch3-e2250ace3d2170f5.json b/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/test-bin-ch3-e2250ace3d2170f5.json
deleted file mode 100755
index 082a761..0000000
--- a/meap/ch3/target/debug/.fingerprint/ch3-e2250ace3d2170f5/test-bin-ch3-e2250ace3d2170f5.json
+++ /dev/null
@@ -1 +0,0 @@
-{"rustc":8694411935207622754,"features":"[]","target":5002437795762691898,"profile":7202528256660649923,"path":1036222786711178230,"deps":[],"local":[{"MtimeBased":[[1555693205,76876100],".fingerprint/ch3-e2250ace3d2170f5/dep-test-bin-ch3-e2250ace3d2170f5"]}],"rustflags":[],"edition":"Edition2018"} \ No newline at end of file
diff --git a/meap/ch3/target/debug/ch3 b/meap/ch3/target/debug/ch3
deleted file mode 100755
index d947c1e..0000000
--- a/meap/ch3/target/debug/ch3
+++ /dev/null
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diff --git a/meap/ch3/target/debug/ch3-e2250ace3d2170f5 b/meap/ch3/target/debug/ch3-e2250ace3d2170f5
deleted file mode 100755
index e8f84e0..0000000
--- a/meap/ch3/target/debug/ch3-e2250ace3d2170f5
+++ /dev/null
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diff --git a/meap/ch3/target/debug/ch3-e2250ace3d2170f5.d b/meap/ch3/target/debug/ch3-e2250ace3d2170f5.d
deleted file mode 100755
index 1ce178b..0000000
--- a/meap/ch3/target/debug/ch3-e2250ace3d2170f5.d
+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch3/target/debug/ch3-e2250ace3d2170f5: /home/carpenat/devel/learning-rust/meap/ch3/src/main.rs
diff --git a/meap/ch3/target/debug/ch3.d b/meap/ch3/target/debug/ch3.d
deleted file mode 100755
index f29c04d..0000000
--- a/meap/ch3/target/debug/ch3.d
+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch3/target/debug/ch3: /home/carpenat/devel/learning-rust/meap/ch3/src/main.rs
diff --git a/meap/ch3/target/debug/deps/ch3-836fb87c62f4cee3 b/meap/ch3/target/debug/deps/ch3-836fb87c62f4cee3
deleted file mode 100755
index d947c1e..0000000
--- a/meap/ch3/target/debug/deps/ch3-836fb87c62f4cee3
+++ /dev/null
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diff --git a/meap/ch3/target/debug/deps/ch3-836fb87c62f4cee3.d b/meap/ch3/target/debug/deps/ch3-836fb87c62f4cee3.d
deleted file mode 100755
index b7cba1d..0000000
--- a/meap/ch3/target/debug/deps/ch3-836fb87c62f4cee3.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch3/target/debug/deps/ch3-836fb87c62f4cee3: src/main.rs
-
-/home/carpenat/devel/learning-rust/meap/ch3/target/debug/deps/ch3-836fb87c62f4cee3.d: src/main.rs
-
-src/main.rs:
diff --git a/meap/ch3/target/debug/deps/ch3-e2250ace3d2170f5 b/meap/ch3/target/debug/deps/ch3-e2250ace3d2170f5
deleted file mode 100755
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--- a/meap/ch3/target/debug/deps/ch3-e2250ace3d2170f5
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diff --git a/meap/ch3/target/debug/deps/ch3-e2250ace3d2170f5.d b/meap/ch3/target/debug/deps/ch3-e2250ace3d2170f5.d
deleted file mode 100755
index d140304..0000000
--- a/meap/ch3/target/debug/deps/ch3-e2250ace3d2170f5.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch3/target/debug/deps/ch3-e2250ace3d2170f5: src/main.rs
-
-/home/carpenat/devel/learning-rust/meap/ch3/target/debug/deps/ch3-e2250ace3d2170f5.d: src/main.rs
-
-src/main.rs:
diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1014cr2epm2722bk.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1014cr2epm2722bk.o
deleted file mode 100755
index 7e5a7c2..0000000
--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1014cr2epm2722bk.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/10qq8mctz8eznm34.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/10qq8mctz8eznm34.o
deleted file mode 100755
index b648ed6..0000000
--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/10qq8mctz8eznm34.o
+++ /dev/null
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1avukx90npbaug2u.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1avukx90npbaug2u.o
deleted file mode 100755
index 83be664..0000000
--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1avukx90npbaug2u.o
+++ /dev/null
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1phlmjbjwphha3an.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1phlmjbjwphha3an.o
deleted file mode 100755
index aec0256..0000000
--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1phlmjbjwphha3an.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1q7y3ux5ou7zwara.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1q7y3ux5ou7zwara.o
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index d102047..0000000
--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1q7y3ux5ou7zwara.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1yft4c03trwlhmdb.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1yft4c03trwlhmdb.o
deleted file mode 100755
index 9727ea4..0000000
--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/1yft4c03trwlhmdb.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/22u9efltgeqdc9zc.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/22u9efltgeqdc9zc.o
deleted file mode 100755
index 2d2e9b2..0000000
--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/22u9efltgeqdc9zc.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2eu6fkq08dhdzl0h.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2eu6fkq08dhdzl0h.o
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--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2eu6fkq08dhdzl0h.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2fyqgrtzwyc54ba9.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2fyqgrtzwyc54ba9.o
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index 45bf275..0000000
--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2fyqgrtzwyc54ba9.o
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--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2m2e4wmnd0gaakbz.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2qtbs21ma8c3knbv.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2qtbs21ma8c3knbv.o
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index 92a3df9..0000000
--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2qtbs21ma8c3knbv.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2qtt5sx9wx608du5.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2qtt5sx9wx608du5.o
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--- a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2qtt5sx9wx608du5.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2rjnh67j91lxay9.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/2rjnh67j91lxay9.o
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diff --git a/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/33jufag6gh3thuuk.o b/meap/ch3/target/debug/incremental/ch3-12o6btm6zvzgj/s-fbg3l9643f-l8sy00-1pytyughypue3/33jufag6gh3thuuk.o
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diff --git a/meap/ch4/target/.rustc_info.json b/meap/ch4/target/.rustc_info.json
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@@ -1 +0,0 @@
-{"rustc_fingerprint":5361904215157244162,"outputs":{"1617349019360157463":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""],"1164083562126845933":["rustc 1.34.0\nbinary: rustc\ncommit-hash: unknown\ncommit-date: unknown\nhost: x86_64-unknown-linux-gnu\nrelease: 1.34.0\nLLVM version: 8.0\n",""],"15337506775154344876":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""]},"successes":{}} \ No newline at end of file
diff --git a/meap/ch4/target/debug/.cargo-lock b/meap/ch4/target/debug/.cargo-lock
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diff --git a/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e b/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e
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-6083887b7aeeadcd \ No newline at end of file
diff --git a/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e.json b/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e.json
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-{"rustc":17307852377973297654,"features":"[]","target":10025914684024305730,"profile":14996655781355331481,"path":1036222786711178230,"deps":[],"local":[{"MtimeBased":[[1555936934,866214100],".fingerprint/ch4-93da2e65ca49da5e/dep-bin-ch4-93da2e65ca49da5e"]}],"rustflags":[],"edition":"Edition2018"} \ No newline at end of file
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-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch4/target/debug/.fingerprint/ch4-cbb55168fbff98c0/bin-ch4-cbb55168fbff98c0 b/meap/ch4/target/debug/.fingerprint/ch4-cbb55168fbff98c0/bin-ch4-cbb55168fbff98c0
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diff --git a/meap/ch4/target/debug/.fingerprint/ch4-cbb55168fbff98c0/bin-ch4-cbb55168fbff98c0.json b/meap/ch4/target/debug/.fingerprint/ch4-cbb55168fbff98c0/bin-ch4-cbb55168fbff98c0.json
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-{"rustc":8694411935207622754,"features":"[]","target":7952301725189384471,"profile":7888022483676960112,"path":1036222786711178230,"deps":[],"local":[{"MtimeBased":[[1555704247,832818000],".fingerprint/ch4-cbb55168fbff98c0/dep-bin-ch4-cbb55168fbff98c0"]}],"rustflags":[],"edition":"Edition2018"} \ No newline at end of file
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-/home/carpenat/devel/learning-rust/meap/ch4/target/debug/ch4: /home/carpenat/devel/learning-rust/meap/ch4/src/main.rs
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diff --git a/meap/ch5/target/.rustc_info.json b/meap/ch5/target/.rustc_info.json
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+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch5/target/debug/.cargo-lock b/meap/ch5/target/debug/.cargo-lock
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diff --git a/meap/ch5/target/debug/.fingerprint/ch5-46e10a775cf0013d/bin-ch5-46e10a775cf0013d.json b/meap/ch5/target/debug/.fingerprint/ch5-46e10a775cf0013d/bin-ch5-46e10a775cf0013d.json
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@@ -1 +0,0 @@
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diff --git a/meap/ch5/target/debug/.fingerprint/ch5-46e10a775cf0013d/dep-bin-ch5-46e10a775cf0013d b/meap/ch5/target/debug/.fingerprint/ch5-46e10a775cf0013d/dep-bin-ch5-46e10a775cf0013d
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diff --git a/meap/ch5/target/debug/.fingerprint/ch5-9316120197002b39/test-bin-ch5-9316120197002b39 b/meap/ch5/target/debug/.fingerprint/ch5-9316120197002b39/test-bin-ch5-9316120197002b39
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-src/main.rs:
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-src/main.rs:
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diff --git a/meap/ch5/target/debug/incremental/ch5-1nqr1jka2is12/s-fbjftt1asz-1fv6llp.lock b/meap/ch5/target/debug/incremental/ch5-1nqr1jka2is12/s-fbjftt1asz-1fv6llp.lock
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diff --git a/meap/ch6/target/.rustc_info.json b/meap/ch6/target/.rustc_info.json
deleted file mode 100755
index d0de999..0000000
--- a/meap/ch6/target/.rustc_info.json
+++ /dev/null
@@ -1 +0,0 @@
-{"rustc_fingerprint":5361904215157244162,"outputs":{"1617349019360157463":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""],"1164083562126845933":["rustc 1.34.0\nbinary: rustc\ncommit-hash: unknown\ncommit-date: unknown\nhost: x86_64-unknown-linux-gnu\nrelease: 1.34.0\nLLVM version: 8.0\n",""],"15337506775154344876":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""]},"successes":{}} \ No newline at end of file
diff --git a/meap/ch6/target/debug/.cargo-lock b/meap/ch6/target/debug/.cargo-lock
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--- a/meap/ch6/target/debug/.cargo-lock
+++ /dev/null
diff --git a/meap/ch6/target/debug/.fingerprint/ch6-07e842bd2dd4e5bd/bin-ch6-07e842bd2dd4e5bd b/meap/ch6/target/debug/.fingerprint/ch6-07e842bd2dd4e5bd/bin-ch6-07e842bd2dd4e5bd
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@@ -1 +0,0 @@
-85ec831fd9d02b6f \ No newline at end of file
diff --git a/meap/ch6/target/debug/.fingerprint/ch6-07e842bd2dd4e5bd/bin-ch6-07e842bd2dd4e5bd.json b/meap/ch6/target/debug/.fingerprint/ch6-07e842bd2dd4e5bd/bin-ch6-07e842bd2dd4e5bd.json
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+++ /dev/null
@@ -1 +0,0 @@
-{"rustc":17307852377973297654,"features":"[]","target":14073938981022172351,"profile":14996655781355331481,"path":1036222786711178230,"deps":[],"local":[{"MtimeBased":[[1556025207,812577100],".fingerprint/ch6-07e842bd2dd4e5bd/dep-bin-ch6-07e842bd2dd4e5bd"]}],"rustflags":[],"edition":"Edition2018"} \ No newline at end of file
diff --git a/meap/ch6/target/debug/.fingerprint/ch6-07e842bd2dd4e5bd/dep-bin-ch6-07e842bd2dd4e5bd b/meap/ch6/target/debug/.fingerprint/ch6-07e842bd2dd4e5bd/dep-bin-ch6-07e842bd2dd4e5bd
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diff --git a/meap/ch6/target/debug/.fingerprint/ch6-07e842bd2dd4e5bd/invoked.timestamp b/meap/ch6/target/debug/.fingerprint/ch6-07e842bd2dd4e5bd/invoked.timestamp
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--- a/meap/ch6/target/debug/.fingerprint/ch6-07e842bd2dd4e5bd/invoked.timestamp
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@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch6/target/debug/ch6 b/meap/ch6/target/debug/ch6
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+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch6/target/debug/ch6: /home/carpenat/devel/learning-rust/meap/ch6/src/main.rs
diff --git a/meap/ch6/target/debug/deps/ch6-07e842bd2dd4e5bd b/meap/ch6/target/debug/deps/ch6-07e842bd2dd4e5bd
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@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch6/target/debug/deps/ch6-07e842bd2dd4e5bd: src/main.rs
-
-/home/carpenat/devel/learning-rust/meap/ch6/target/debug/deps/ch6-07e842bd2dd4e5bd.d: src/main.rs
-
-src/main.rs:
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@@ -1 +0,0 @@
-{"rustc_fingerprint":5361904215157244162,"outputs":{"15337506775154344876":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""],"1164083562126845933":["rustc 1.34.0\nbinary: rustc\ncommit-hash: unknown\ncommit-date: unknown\nhost: x86_64-unknown-linux-gnu\nrelease: 1.34.0\nLLVM version: 8.0\n",""],"1617349019360157463":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""]},"successes":{}} \ No newline at end of file
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/dep-lib-autocfg-decc8dda373d483a b/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/dep-lib-autocfg-decc8dda373d483a
deleted file mode 100755
index 63c2b20..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/dep-lib-autocfg-decc8dda373d483a
+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/invoked.timestamp
+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/lib-autocfg-decc8dda373d483a b/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/lib-autocfg-decc8dda373d483a
deleted file mode 100755
index 536ec5c..0000000
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/lib-autocfg-decc8dda373d483a.json b/meap/ch7.bak/target/debug/.fingerprint/autocfg-decc8dda373d483a/lib-autocfg-decc8dda373d483a.json
deleted file mode 100755
index eaf4fcb..0000000
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deleted file mode 100755
index 5490afb..0000000
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/bincode-6b7b5bba40374a3a/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/bincode-6b7b5bba40374a3a/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/bincode-6b7b5bba40374a3a/lib-bincode-6b7b5bba40374a3a b/meap/ch7.bak/target/debug/.fingerprint/bincode-6b7b5bba40374a3a/lib-bincode-6b7b5bba40374a3a
deleted file mode 100755
index f2aecf2..0000000
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/bincode-6b7b5bba40374a3a/lib-bincode-6b7b5bba40374a3a.json b/meap/ch7.bak/target/debug/.fingerprint/bincode-6b7b5bba40374a3a/lib-bincode-6b7b5bba40374a3a.json
deleted file mode 100755
index 9ce9e47..0000000
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+++ /dev/null
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deleted file mode 100755
index 94889bc..0000000
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/bincode-75abd544b82202c7/build-script-build_script_build-75abd544b82202c7.json b/meap/ch7.bak/target/debug/.fingerprint/bincode-75abd544b82202c7/build-script-build_script_build-75abd544b82202c7.json
deleted file mode 100755
index 3cfbc42..0000000
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/bincode-75abd544b82202c7/dep-build-script-build_script_build-75abd544b82202c7 b/meap/ch7.bak/target/debug/.fingerprint/bincode-75abd544b82202c7/dep-build-script-build_script_build-75abd544b82202c7
deleted file mode 100755
index 1b1b374..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/bincode-75abd544b82202c7/dep-build-script-build_script_build-75abd544b82202c7
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/bincode-75abd544b82202c7/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/bincode-75abd544b82202c7/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/bincode-75abd544b82202c7/invoked.timestamp
+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/bincode-83548ed339649500/build b/meap/ch7.bak/target/debug/.fingerprint/bincode-83548ed339649500/build
deleted file mode 100755
index 886ae36..0000000
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/bincode-83548ed339649500/build.json b/meap/ch7.bak/target/debug/.fingerprint/bincode-83548ed339649500/build.json
deleted file mode 100755
index 545af9f..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/bincode-83548ed339649500/build.json
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deleted file mode 100755
index e751260..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/byteorder-3334579af8660d90/build-script-build_script_build-3334579af8660d90
+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/byteorder-3334579af8660d90/build-script-build_script_build-3334579af8660d90.json b/meap/ch7.bak/target/debug/.fingerprint/byteorder-3334579af8660d90/build-script-build_script_build-3334579af8660d90.json
deleted file mode 100755
index 8c785d8..0000000
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/byteorder-3334579af8660d90/dep-build-script-build_script_build-3334579af8660d90 b/meap/ch7.bak/target/debug/.fingerprint/byteorder-3334579af8660d90/dep-build-script-build_script_build-3334579af8660d90
deleted file mode 100755
index 1b1b374..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/byteorder-3334579af8660d90/dep-build-script-build_script_build-3334579af8660d90
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/byteorder-3334579af8660d90/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/byteorder-3334579af8660d90/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/byteorder-3334579af8660d90/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/dep-lib-byteorder-db47f374fba3e668 b/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/dep-lib-byteorder-db47f374fba3e668
deleted file mode 100755
index fa910b8..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/dep-lib-byteorder-db47f374fba3e668
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/lib-byteorder-db47f374fba3e668 b/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/lib-byteorder-db47f374fba3e668
deleted file mode 100755
index 8829ebb..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/lib-byteorder-db47f374fba3e668
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/lib-byteorder-db47f374fba3e668.json b/meap/ch7.bak/target/debug/.fingerprint/byteorder-db47f374fba3e668/lib-byteorder-db47f374fba3e668.json
deleted file mode 100755
index 5840dcc..0000000
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/byteorder-e36e243baec1e418/build b/meap/ch7.bak/target/debug/.fingerprint/byteorder-e36e243baec1e418/build
deleted file mode 100755
index 8d7cd65..0000000
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@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/byteorder-e36e243baec1e418/build.json b/meap/ch7.bak/target/debug/.fingerprint/byteorder-e36e243baec1e418/build.json
deleted file mode 100755
index 598f13e..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/byteorder-e36e243baec1e418/build.json
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@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/bin-ch7-1c5228b4d239172b b/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/bin-ch7-1c5228b4d239172b
deleted file mode 100755
index 4a03bc1..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/bin-ch7-1c5228b4d239172b
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/bin-ch7-1c5228b4d239172b.json b/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/bin-ch7-1c5228b4d239172b.json
deleted file mode 100755
index 3190374..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/bin-ch7-1c5228b4d239172b.json
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/dep-bin-ch7-1c5228b4d239172b b/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/dep-bin-ch7-1c5228b4d239172b
deleted file mode 100755
index e046c38..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/dep-bin-ch7-1c5228b4d239172b
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/ch7-1c5228b4d239172b/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/bin-ch7-a37416d8bab1527a b/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/bin-ch7-a37416d8bab1527a
deleted file mode 100755
index 27f747b..0000000
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+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/bin-ch7-a37416d8bab1527a.json b/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/bin-ch7-a37416d8bab1527a.json
deleted file mode 100755
index e778881..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/bin-ch7-a37416d8bab1527a.json
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/dep-bin-ch7-a37416d8bab1527a b/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/dep-bin-ch7-a37416d8bab1527a
deleted file mode 100755
index e046c38..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/dep-bin-ch7-a37416d8bab1527a
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/ch7-a37416d8bab1527a/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
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+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/itoa-91435f2d9a5c9d2d/dep-lib-itoa-91435f2d9a5c9d2d b/meap/ch7.bak/target/debug/.fingerprint/itoa-91435f2d9a5c9d2d/dep-lib-itoa-91435f2d9a5c9d2d
deleted file mode 100755
index b8e6181..0000000
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+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/itoa-91435f2d9a5c9d2d/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/itoa-91435f2d9a5c9d2d/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/itoa-91435f2d9a5c9d2d/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/itoa-91435f2d9a5c9d2d/lib-itoa-91435f2d9a5c9d2d b/meap/ch7.bak/target/debug/.fingerprint/itoa-91435f2d9a5c9d2d/lib-itoa-91435f2d9a5c9d2d
deleted file mode 100755
index d5260ed..0000000
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/itoa-91435f2d9a5c9d2d/lib-itoa-91435f2d9a5c9d2d.json b/meap/ch7.bak/target/debug/.fingerprint/itoa-91435f2d9a5c9d2d/lib-itoa-91435f2d9a5c9d2d.json
deleted file mode 100755
index 7389109..0000000
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/proc-macro2-4a0c23a5952ba078/build b/meap/ch7.bak/target/debug/.fingerprint/proc-macro2-4a0c23a5952ba078/build
deleted file mode 100755
index 63111b4..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/proc-macro2-4a0c23a5952ba078/build
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/dep-lib-serde_json-2d6c62b2bd77dda0 b/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/dep-lib-serde_json-2d6c62b2bd77dda0
deleted file mode 100755
index 8d91c4c..0000000
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Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
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+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/lib-serde_json-2d6c62b2bd77dda0 b/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/lib-serde_json-2d6c62b2bd77dda0
deleted file mode 100755
index 2f59e91..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/lib-serde_json-2d6c62b2bd77dda0
+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/lib-serde_json-2d6c62b2bd77dda0.json b/meap/ch7.bak/target/debug/.fingerprint/serde_json-2d6c62b2bd77dda0/lib-serde_json-2d6c62b2bd77dda0.json
deleted file mode 100755
index 8503186..0000000
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deleted file mode 100755
index 47c5fe1..0000000
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+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
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+++ /dev/null
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deleted file mode 100755
index 71889ad..0000000
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/lib-syn-68015be05f89a0f5.json b/meap/ch7.bak/target/debug/.fingerprint/syn-68015be05f89a0f5/lib-syn-68015be05f89a0f5.json
deleted file mode 100755
index 096aaa2..0000000
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/build-script-build_script_build-a900233370d9690a b/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/build-script-build_script_build-a900233370d9690a
deleted file mode 100755
index e1a896c..0000000
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+++ /dev/null
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deleted file mode 100755
index 277e715..0000000
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/dep-build-script-build_script_build-a900233370d9690a b/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/dep-build-script-build_script_build-a900233370d9690a
deleted file mode 100755
index 1b1b374..0000000
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+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/syn-a900233370d9690a/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build b/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build
deleted file mode 100755
index f8c42c2..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build
+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build.json b/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build.json
deleted file mode 100755
index cf04f50..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/syn-c1294e2186cf9b28/build.json
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/dep-lib-unicode_xid-12657c7cced582bd b/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/dep-lib-unicode_xid-12657c7cced582bd
deleted file mode 100755
index 7e45eb6..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/dep-lib-unicode_xid-12657c7cced582bd
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/invoked.timestamp b/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/lib-unicode_xid-12657c7cced582bd b/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/lib-unicode_xid-12657c7cced582bd
deleted file mode 100755
index e3f9a8e..0000000
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+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/lib-unicode_xid-12657c7cced582bd.json b/meap/ch7.bak/target/debug/.fingerprint/unicode-xid-12657c7cced582bd/lib-unicode_xid-12657c7cced582bd.json
deleted file mode 100755
index b5dc298..0000000
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+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/meap/ch7.bak/target/debug/build/bincode-75abd544b82202c7/build-script-build b/meap/ch7.bak/target/debug/build/bincode-75abd544b82202c7/build-script-build
deleted file mode 100755
index beb025c..0000000
--- a/meap/ch7.bak/target/debug/build/bincode-75abd544b82202c7/build-script-build
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/build/bincode-75abd544b82202c7/build_script_build-75abd544b82202c7 b/meap/ch7.bak/target/debug/build/bincode-75abd544b82202c7/build_script_build-75abd544b82202c7
deleted file mode 100755
index beb025c..0000000
--- a/meap/ch7.bak/target/debug/build/bincode-75abd544b82202c7/build_script_build-75abd544b82202c7
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/build/bincode-75abd544b82202c7/build_script_build-75abd544b82202c7.d b/meap/ch7.bak/target/debug/build/bincode-75abd544b82202c7/build_script_build-75abd544b82202c7.d
deleted file mode 100755
index 99c607f..0000000
--- a/meap/ch7.bak/target/debug/build/bincode-75abd544b82202c7/build_script_build-75abd544b82202c7.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/bincode-75abd544b82202c7/build_script_build-75abd544b82202c7: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/build.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/bincode-75abd544b82202c7/build_script_build-75abd544b82202c7.d: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/build.rs
-
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/build.rs:
diff --git a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/invoked.timestamp b/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/out/probe0.ll b/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/out/probe0.ll
deleted file mode 100755
index 27d9234..0000000
--- a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/out/probe0.ll
+++ /dev/null
@@ -1,8 +0,0 @@
-; ModuleID = 'probe0.3a1fbbbh-cgu.0'
-source_filename = "probe0.3a1fbbbh-cgu.0"
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-!llvm.module.flags = !{!0}
-
-!0 = !{i32 2, !"RtLibUseGOT", i32 1}
diff --git a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/output b/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/output
deleted file mode 100755
index 0741bb4..0000000
--- a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/output
+++ /dev/null
@@ -1,2 +0,0 @@
-cargo:rerun-if-changed=/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/build.rs
-cargo:rustc-cfg=has_i128
diff --git a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/root-output b/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/root-output
deleted file mode 100755
index ea5b190..0000000
--- a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/root-output
+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/bincode-83548ed339649500/out \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/stderr b/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/stderr
deleted file mode 100755
index e69de29..0000000
--- a/meap/ch7.bak/target/debug/build/bincode-83548ed339649500/stderr
+++ /dev/null
diff --git a/meap/ch7.bak/target/debug/build/byteorder-3334579af8660d90/build-script-build b/meap/ch7.bak/target/debug/build/byteorder-3334579af8660d90/build-script-build
deleted file mode 100755
index 79876ba..0000000
--- a/meap/ch7.bak/target/debug/build/byteorder-3334579af8660d90/build-script-build
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/build/byteorder-3334579af8660d90/build_script_build-3334579af8660d90 b/meap/ch7.bak/target/debug/build/byteorder-3334579af8660d90/build_script_build-3334579af8660d90
deleted file mode 100755
index 79876ba..0000000
--- a/meap/ch7.bak/target/debug/build/byteorder-3334579af8660d90/build_script_build-3334579af8660d90
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/build/byteorder-3334579af8660d90/build_script_build-3334579af8660d90.d b/meap/ch7.bak/target/debug/build/byteorder-3334579af8660d90/build_script_build-3334579af8660d90.d
deleted file mode 100755
index 6a5bdc9..0000000
--- a/meap/ch7.bak/target/debug/build/byteorder-3334579af8660d90/build_script_build-3334579af8660d90.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/byteorder-3334579af8660d90/build_script_build-3334579af8660d90: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.1/build.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/byteorder-3334579af8660d90/build_script_build-3334579af8660d90.d: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.1/build.rs
-
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.1/build.rs:
diff --git a/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/invoked.timestamp b/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/output b/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/output
deleted file mode 100755
index 5748576..0000000
--- a/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/output
+++ /dev/null
@@ -1 +0,0 @@
-cargo:rustc-cfg=byteorder_i128
diff --git a/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/root-output b/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/root-output
deleted file mode 100755
index fb73627..0000000
--- a/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/root-output
+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/byteorder-e36e243baec1e418/out \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/stderr b/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/stderr
deleted file mode 100755
index e69de29..0000000
--- a/meap/ch7.bak/target/debug/build/byteorder-e36e243baec1e418/stderr
+++ /dev/null
diff --git a/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/invoked.timestamp b/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/output b/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/output
deleted file mode 100755
index 1a4a08e..0000000
--- a/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/output
+++ /dev/null
@@ -1,4 +0,0 @@
-cargo:rerun-if-changed=build.rs
-cargo:rustc-cfg=u128
-cargo:rustc-cfg=use_proc_macro
-cargo:rustc-cfg=wrap_proc_macro
diff --git a/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/root-output b/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/root-output
deleted file mode 100755
index 9324dcc..0000000
--- a/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/root-output
+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/proc-macro2-4a0c23a5952ba078/out \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/stderr b/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/stderr
deleted file mode 100755
index e69de29..0000000
--- a/meap/ch7.bak/target/debug/build/proc-macro2-4a0c23a5952ba078/stderr
+++ /dev/null
diff --git a/meap/ch7.bak/target/debug/build/proc-macro2-d0656b3749ea87d8/build-script-build b/meap/ch7.bak/target/debug/build/proc-macro2-d0656b3749ea87d8/build-script-build
deleted file mode 100755
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diff --git a/meap/ch7.bak/target/debug/build/proc-macro2-d0656b3749ea87d8/build_script_build-d0656b3749ea87d8 b/meap/ch7.bak/target/debug/build/proc-macro2-d0656b3749ea87d8/build_script_build-d0656b3749ea87d8
deleted file mode 100755
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/build/proc-macro2-d0656b3749ea87d8/build_script_build-d0656b3749ea87d8.d b/meap/ch7.bak/target/debug/build/proc-macro2-d0656b3749ea87d8/build_script_build-d0656b3749ea87d8.d
deleted file mode 100755
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--- a/meap/ch7.bak/target/debug/build/proc-macro2-d0656b3749ea87d8/build_script_build-d0656b3749ea87d8.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/proc-macro2-d0656b3749ea87d8/build_script_build-d0656b3749ea87d8: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.28/build.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/proc-macro2-d0656b3749ea87d8/build_script_build-d0656b3749ea87d8.d: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.28/build.rs
-
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.28/build.rs:
diff --git a/meap/ch7.bak/target/debug/build/ryu-72e8712795d4c287/build-script-build b/meap/ch7.bak/target/debug/build/ryu-72e8712795d4c287/build-script-build
deleted file mode 100755
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diff --git a/meap/ch7.bak/target/debug/build/ryu-72e8712795d4c287/build_script_build-72e8712795d4c287 b/meap/ch7.bak/target/debug/build/ryu-72e8712795d4c287/build_script_build-72e8712795d4c287
deleted file mode 100755
index fef85d2..0000000
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/build/ryu-72e8712795d4c287/build_script_build-72e8712795d4c287.d b/meap/ch7.bak/target/debug/build/ryu-72e8712795d4c287/build_script_build-72e8712795d4c287.d
deleted file mode 100755
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--- a/meap/ch7.bak/target/debug/build/ryu-72e8712795d4c287/build_script_build-72e8712795d4c287.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/ryu-72e8712795d4c287/build_script_build-72e8712795d4c287: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/ryu-0.2.7/build.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/ryu-72e8712795d4c287/build_script_build-72e8712795d4c287.d: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/ryu-0.2.7/build.rs
-
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/ryu-0.2.7/build.rs:
diff --git a/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/invoked.timestamp b/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/output b/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/output
deleted file mode 100755
index 69a135a..0000000
--- a/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/output
+++ /dev/null
@@ -1,2 +0,0 @@
-cargo:rustc-cfg=integer128
-cargo:rustc-cfg=must_use_return
diff --git a/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/root-output b/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/root-output
deleted file mode 100755
index 3552c2c..0000000
--- a/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/root-output
+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/ryu-e39a5475b4dfbd3a/out \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/stderr b/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/stderr
deleted file mode 100755
index e69de29..0000000
--- a/meap/ch7.bak/target/debug/build/ryu-e39a5475b4dfbd3a/stderr
+++ /dev/null
diff --git a/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/invoked.timestamp b/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/output b/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/output
deleted file mode 100755
index 7967aca..0000000
--- a/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/output
+++ /dev/null
@@ -1,8 +0,0 @@
-cargo:rustc-cfg=ops_bound
-cargo:rustc-cfg=core_reverse
-cargo:rustc-cfg=de_boxed_c_str
-cargo:rustc-cfg=de_rc_dst
-cargo:rustc-cfg=core_duration
-cargo:rustc-cfg=integer128
-cargo:rustc-cfg=range_inclusive
-cargo:rustc-cfg=num_nonzero
diff --git a/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/root-output b/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/root-output
deleted file mode 100755
index e195701..0000000
--- a/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/root-output
+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/serde-993a19abfeb02743/out \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/stderr b/meap/ch7.bak/target/debug/build/serde-993a19abfeb02743/stderr
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diff --git a/meap/ch7.bak/target/debug/build/serde-afe5df83afa18d42/build-script-build b/meap/ch7.bak/target/debug/build/serde-afe5df83afa18d42/build-script-build
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deleted file mode 100755
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diff --git a/meap/ch7.bak/target/debug/build/serde-afe5df83afa18d42/build_script_build-afe5df83afa18d42.d b/meap/ch7.bak/target/debug/build/serde-afe5df83afa18d42/build_script_build-afe5df83afa18d42.d
deleted file mode 100755
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+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/serde-afe5df83afa18d42/build_script_build-afe5df83afa18d42: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.90/build.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/serde-afe5df83afa18d42/build_script_build-afe5df83afa18d42.d: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.90/build.rs
-
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.90/build.rs:
diff --git a/meap/ch7.bak/target/debug/build/syn-a900233370d9690a/build-script-build b/meap/ch7.bak/target/debug/build/syn-a900233370d9690a/build-script-build
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diff --git a/meap/ch7.bak/target/debug/build/syn-a900233370d9690a/build_script_build-a900233370d9690a b/meap/ch7.bak/target/debug/build/syn-a900233370d9690a/build_script_build-a900233370d9690a
deleted file mode 100755
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diff --git a/meap/ch7.bak/target/debug/build/syn-a900233370d9690a/build_script_build-a900233370d9690a.d b/meap/ch7.bak/target/debug/build/syn-a900233370d9690a/build_script_build-a900233370d9690a.d
deleted file mode 100755
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--- a/meap/ch7.bak/target/debug/build/syn-a900233370d9690a/build_script_build-a900233370d9690a.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/syn-a900233370d9690a/build_script_build-a900233370d9690a: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/syn-0.15.32/build.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/syn-a900233370d9690a/build_script_build-a900233370d9690a.d: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/syn-0.15.32/build.rs
-
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/syn-0.15.32/build.rs:
diff --git a/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/invoked.timestamp b/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/invoked.timestamp
deleted file mode 100755
index e00328d..0000000
--- a/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/output b/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/output
deleted file mode 100755
index 8e45f3e..0000000
--- a/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/output
+++ /dev/null
@@ -1,3 +0,0 @@
-cargo:rustc-cfg=syn_can_use_thread_id
-cargo:rustc-cfg=syn_can_call_macro_by_path
-cargo:rustc-cfg=syn_disable_nightly_tests
diff --git a/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/root-output b/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/root-output
deleted file mode 100755
index d0047bb..0000000
--- a/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/root-output
+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/build/syn-c1294e2186cf9b28/out \ No newline at end of file
diff --git a/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/stderr b/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/stderr
deleted file mode 100755
index e69de29..0000000
--- a/meap/ch7.bak/target/debug/build/syn-c1294e2186cf9b28/stderr
+++ /dev/null
diff --git a/meap/ch7.bak/target/debug/ch7 b/meap/ch7.bak/target/debug/ch7
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deleted file mode 100755
index 5b5e606..0000000
--- a/meap/ch7.bak/target/debug/ch7.d
+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/ch7: /home/carpenat/devel/learning-rust/meap/ch7/src/main.rs
diff --git a/meap/ch7.bak/target/debug/deps/autocfg-decc8dda373d483a.d b/meap/ch7.bak/target/debug/deps/autocfg-decc8dda373d483a.d
deleted file mode 100755
index 7aa9b50..0000000
--- a/meap/ch7.bak/target/debug/deps/autocfg-decc8dda373d483a.d
+++ /dev/null
@@ -1,7 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/deps/libautocfg-decc8dda373d483a.rlib: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.2/src/lib.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.2/src/error.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.2/src/version.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/deps/autocfg-decc8dda373d483a.d: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.2/src/lib.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.2/src/error.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.2/src/version.rs
-
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.2/src/lib.rs:
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.2/src/error.rs:
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.2/src/version.rs:
diff --git a/meap/ch7.bak/target/debug/deps/bincode-6b7b5bba40374a3a.d b/meap/ch7.bak/target/debug/deps/bincode-6b7b5bba40374a3a.d
deleted file mode 100755
index fd6c012..0000000
--- a/meap/ch7.bak/target/debug/deps/bincode-6b7b5bba40374a3a.d
+++ /dev/null
@@ -1,11 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/deps/libbincode-6b7b5bba40374a3a.rlib: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/lib.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/config.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/de/mod.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/de/read.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/error.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/internal.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/ser/mod.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/deps/bincode-6b7b5bba40374a3a.d: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/lib.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/config.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/de/mod.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/de/read.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/error.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/internal.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/ser/mod.rs
-
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/lib.rs:
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/config.rs:
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/de/mod.rs:
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/de/read.rs:
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/error.rs:
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/internal.rs:
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/bincode-1.1.3/src/ser/mod.rs:
diff --git a/meap/ch7.bak/target/debug/deps/byteorder-db47f374fba3e668.d b/meap/ch7.bak/target/debug/deps/byteorder-db47f374fba3e668.d
deleted file mode 100755
index d7fd430..0000000
--- a/meap/ch7.bak/target/debug/deps/byteorder-db47f374fba3e668.d
+++ /dev/null
@@ -1,6 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/deps/libbyteorder-db47f374fba3e668.rlib: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.1/src/lib.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.1/src/io.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/deps/byteorder-db47f374fba3e668.d: /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.1/src/lib.rs /home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.1/src/io.rs
-
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.1/src/lib.rs:
-/home/carpenat/.cargo/registry/src/github.com-1ecc6299db9ec823/byteorder-1.3.1/src/io.rs:
diff --git a/meap/ch7.bak/target/debug/deps/ch7-1c5228b4d239172b b/meap/ch7.bak/target/debug/deps/ch7-1c5228b4d239172b
deleted file mode 100755
index 800ceb0..0000000
--- a/meap/ch7.bak/target/debug/deps/ch7-1c5228b4d239172b
+++ /dev/null
Binary files differ
diff --git a/meap/ch7.bak/target/debug/deps/ch7-1c5228b4d239172b.d b/meap/ch7.bak/target/debug/deps/ch7-1c5228b4d239172b.d
deleted file mode 100755
index 72ae153..0000000
--- a/meap/ch7.bak/target/debug/deps/ch7-1c5228b4d239172b.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/deps/ch7-1c5228b4d239172b: src/main.rs
-
-/home/carpenat/devel/learning-rust/meap/ch7/target/debug/deps/ch7-1c5228b4d239172b.d: src/main.rs
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diff --git a/meap/ch7.bak/target/debug/deps/serde_derive-e5b7d25063e53202.d b/meap/ch7.bak/target/debug/deps/serde_derive-e5b7d25063e53202.d
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+++ /dev/null
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diff --git a/meap/ch7.bak/target/debug/deps/serde_json-2d6c62b2bd77dda0.d b/meap/ch7.bak/target/debug/deps/serde_json-2d6c62b2bd77dda0.d
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diff --git a/meap/ch7.bak/target/debug/deps/syn-68015be05f89a0f5.d b/meap/ch7.bak/target/debug/deps/syn-68015be05f89a0f5.d
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diff --git a/meap/ch7.bak/target/debug/deps/unicode_xid-12657c7cced582bd.d b/meap/ch7.bak/target/debug/deps/unicode_xid-12657c7cced582bd.d
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diff --git a/meap/ch7.bak/target/debug/incremental/ch7-3eobpgzo5v8r1/s-fbkcm2zfin-gkgr4s-1epuicm4g8yk6/1ojqdlpozbe6600e.o b/meap/ch7.bak/target/debug/incremental/ch7-3eobpgzo5v8r1/s-fbkcm2zfin-gkgr4s-1epuicm4g8yk6/1ojqdlpozbe6600e.o
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deleted file mode 100755
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diff --git a/meap/ch7/target/.rustc_info.json b/meap/ch7/target/.rustc_info.json
deleted file mode 100644
index 8c3bf9b..0000000
--- a/meap/ch7/target/.rustc_info.json
+++ /dev/null
@@ -1 +0,0 @@
-{"rustc_fingerprint":14111439516551175047,"outputs":{"2196823701345282402":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/home/carpenat/.rustup/toolchains/stable-x86_64-unknown-linux-gnu\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""],"1164083562126845933":["rustc 1.36.0 (a53f9df32 2019-07-03)\nbinary: rustc\ncommit-hash: a53f9df32fbb0b5f4382caaad8f1a46f36ea887c\ncommit-date: 2019-07-03\nhost: x86_64-unknown-linux-gnu\nrelease: 1.36.0\nLLVM version: 8.0\n",""],"4476964694761187371":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/home/carpenat/.rustup/toolchains/stable-x86_64-unknown-linux-gnu\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""]},"successes":{}} \ No newline at end of file
diff --git a/meap/ch7/target/debug/.cargo-lock b/meap/ch7/target/debug/.cargo-lock
deleted file mode 100644
index e69de29..0000000
--- a/meap/ch7/target/debug/.cargo-lock
+++ /dev/null
diff --git a/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/bin-ch7-659f4ecc4254811d b/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/bin-ch7-659f4ecc4254811d
deleted file mode 100644
index 50aa297..0000000
--- a/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/bin-ch7-659f4ecc4254811d
+++ /dev/null
@@ -1 +0,0 @@
-1ac2e85ba9a1aa5b \ No newline at end of file
diff --git a/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/bin-ch7-659f4ecc4254811d.json b/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/bin-ch7-659f4ecc4254811d.json
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+++ /dev/null
@@ -1 +0,0 @@
-{"rustc":5632553715040628694,"features":"[]","target":17645462988276744829,"profile":14996655781355331481,"path":1036222786711178230,"deps":[],"local":[{"CheckDepInfo":{"dep_info":".fingerprint/ch7-659f4ecc4254811d/dep-bin-ch7-659f4ecc4254811d"}}],"rustflags":[],"metadata":12511675182929830222} \ No newline at end of file
diff --git a/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/dep-bin-ch7-659f4ecc4254811d b/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/dep-bin-ch7-659f4ecc4254811d
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diff --git a/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/invoked.timestamp b/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/invoked.timestamp
deleted file mode 100644
index e00328d..0000000
--- a/meap/ch7/target/debug/.fingerprint/ch7-659f4ecc4254811d/invoked.timestamp
+++ /dev/null
@@ -1 +0,0 @@
-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/ch7/target/debug/ch7 b/meap/ch7/target/debug/ch7
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deleted file mode 100644
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+++ /dev/null
@@ -1 +0,0 @@
-/home/carpenat/learning-rust/meap/ch7/target/debug/ch7: /home/carpenat/learning-rust/meap/ch7/src/main.rs
diff --git a/meap/ch7/target/debug/deps/ch7-659f4ecc4254811d b/meap/ch7/target/debug/deps/ch7-659f4ecc4254811d
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--- a/meap/ch7/target/debug/deps/ch7-659f4ecc4254811d.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/home/carpenat/learning-rust/meap/ch7/target/debug/deps/ch7-659f4ecc4254811d: src/main.rs
-
-/home/carpenat/learning-rust/meap/ch7/target/debug/deps/ch7-659f4ecc4254811d.d: src/main.rs
-
-src/main.rs:
diff --git a/meap/ch7/target/debug/incremental/ch7-1lwa5sx77rkmi/s-fdxiqthg2f-1akgyjr-19am80zhs80ag/1ciwq0awzz42zolh.o b/meap/ch7/target/debug/incremental/ch7-1lwa5sx77rkmi/s-fdxiqthg2f-1akgyjr-19am80zhs80ag/1ciwq0awzz42zolh.o
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diff --git a/meap/cpu/target/.rustc_info.json b/meap/cpu/target/.rustc_info.json
deleted file mode 100755
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--- a/meap/cpu/target/.rustc_info.json
+++ /dev/null
@@ -1 +0,0 @@
-{"rustc_fingerprint":5361904215157244162,"outputs":{"15337506775154344876":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""],"1617349019360157463":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""],"1164083562126845933":["rustc 1.34.0\nbinary: rustc\ncommit-hash: unknown\ncommit-date: unknown\nhost: x86_64-unknown-linux-gnu\nrelease: 1.34.0\nLLVM version: 8.0\n",""]},"successes":{}} \ No newline at end of file
diff --git a/meap/cpu/target/debug/.cargo-lock b/meap/cpu/target/debug/.cargo-lock
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diff --git a/meap/cpu/target/debug/.fingerprint/cpu-175747ad1247f6b0/dep-test-bin-cpu-175747ad1247f6b0 b/meap/cpu/target/debug/.fingerprint/cpu-175747ad1247f6b0/dep-test-bin-cpu-175747ad1247f6b0
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-This file has an mtime of when this was started. \ No newline at end of file
diff --git a/meap/cpu/target/debug/.fingerprint/cpu-175747ad1247f6b0/test-bin-cpu-175747ad1247f6b0 b/meap/cpu/target/debug/.fingerprint/cpu-175747ad1247f6b0/test-bin-cpu-175747ad1247f6b0
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diff --git a/meap/cpu/target/debug/.fingerprint/cpu-175747ad1247f6b0/test-bin-cpu-175747ad1247f6b0.json b/meap/cpu/target/debug/.fingerprint/cpu-175747ad1247f6b0/test-bin-cpu-175747ad1247f6b0.json
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@@ -1 +0,0 @@
-{"rustc":17307852377973297654,"features":"[]","target":6749834613695574602,"profile":8248545651247322450,"path":1036222786711178230,"deps":[],"local":[{"MtimeBased":[[1555955391,526619700],".fingerprint/cpu-175747ad1247f6b0/dep-test-bin-cpu-175747ad1247f6b0"]}],"rustflags":[],"edition":"Edition2018"} \ No newline at end of file
diff --git a/meap/cpu/target/debug/.fingerprint/cpu-839d5b692f7d015e/bin-cpu-839d5b692f7d015e b/meap/cpu/target/debug/.fingerprint/cpu-839d5b692f7d015e/bin-cpu-839d5b692f7d015e
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diff --git a/meap/cpu/target/debug/.fingerprint/cpu-839d5b692f7d015e/bin-cpu-839d5b692f7d015e.json b/meap/cpu/target/debug/.fingerprint/cpu-839d5b692f7d015e/bin-cpu-839d5b692f7d015e.json
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+++ /dev/null
@@ -1 +0,0 @@
-{"rustc":17307852377973297654,"features":"[]","target":6749834613695574602,"profile":14996655781355331481,"path":1036222786711178230,"deps":[],"local":[{"MtimeBased":[[1555958884,654960200],".fingerprint/cpu-839d5b692f7d015e/dep-bin-cpu-839d5b692f7d015e"]}],"rustflags":[],"edition":"Edition2018"} \ No newline at end of file
diff --git a/meap/cpu/target/debug/.fingerprint/cpu-839d5b692f7d015e/dep-bin-cpu-839d5b692f7d015e b/meap/cpu/target/debug/.fingerprint/cpu-839d5b692f7d015e/dep-bin-cpu-839d5b692f7d015e
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diff --git a/meap/cpu/target/debug/cpu b/meap/cpu/target/debug/cpu
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-/home/carpenat/devel/learning-rust/meap/cpu/target/debug/cpu-175747ad1247f6b0: /home/carpenat/devel/learning-rust/meap/cpu/src/main.rs
diff --git a/meap/cpu/target/debug/cpu.d b/meap/cpu/target/debug/cpu.d
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-/home/carpenat/devel/learning-rust/meap/cpu/target/debug/cpu: /home/carpenat/devel/learning-rust/meap/cpu/src/main.rs
diff --git a/meap/cpu/target/debug/deps/cpu-175747ad1247f6b0 b/meap/cpu/target/debug/deps/cpu-175747ad1247f6b0
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-/home/carpenat/devel/learning-rust/meap/cpu/target/debug/deps/cpu-175747ad1247f6b0: src/main.rs
-
-/home/carpenat/devel/learning-rust/meap/cpu/target/debug/deps/cpu-175747ad1247f6b0.d: src/main.rs
-
-src/main.rs:
diff --git a/meap/cpu/target/debug/deps/cpu-839d5b692f7d015e b/meap/cpu/target/debug/deps/cpu-839d5b692f7d015e
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-/home/carpenat/devel/learning-rust/meap/cpu/target/debug/deps/cpu-839d5b692f7d015e: src/main.rs
-
-/home/carpenat/devel/learning-rust/meap/cpu/target/debug/deps/cpu-839d5b692f7d015e.d: src/main.rs
-
-src/main.rs:
diff --git a/meap/cpu/target/debug/incremental/cpu-1vm04q0aodcjv/s-fbjg1en3w6-a0ov2h-3famo6chofqi1/29z0rgxjp29autvt.o b/meap/cpu/target/debug/incremental/cpu-1vm04q0aodcjv/s-fbjg1en3w6-a0ov2h-3famo6chofqi1/29z0rgxjp29autvt.o
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