From 7e8ee5ed9cad6484e9f13f81731b102ced58402e Mon Sep 17 00:00:00 2001
From: Adam Carpenter <gitlab@53hor.net>
Date: Tue, 9 Jul 2019 15:14:04 -0400
Subject: Init.

---
 meap/ch4/Cargo.lock                                |   6 ++
 meap/ch4/Cargo.toml                                |   7 ++
 meap/ch4/src/main.rs                               | 106 +++++++++++++++++++++
 meap/ch4/target/.rustc_info.json                   |   1 +
 meap/ch4/target/debug/.cargo-lock                  |   0
 .../ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e  |   1 +
 .../bin-ch4-93da2e65ca49da5e.json                  |   1 +
 .../dep-bin-ch4-93da2e65ca49da5e                   | Bin 0 -> 12 bytes
 .../ch4-93da2e65ca49da5e/invoked.timestamp         |   1 +
 .../ch4-cbb55168fbff98c0/bin-ch4-cbb55168fbff98c0  |   1 +
 .../bin-ch4-cbb55168fbff98c0.json                  |   1 +
 .../dep-bin-ch4-cbb55168fbff98c0                   | Bin 0 -> 12 bytes
 .../ch4-cbb55168fbff98c0/invoked.timestamp         |   1 +
 meap/ch4/target/debug/ch4                          | Bin 0 -> 296136 bytes
 meap/ch4/target/debug/ch4.d                        |   1 +
 meap/ch4/target/debug/deps/ch4-93da2e65ca49da5e    | Bin 0 -> 296136 bytes
 meap/ch4/target/debug/deps/ch4-93da2e65ca49da5e.d  |   5 +
 meap/ch4/target/debug/deps/ch4-cbb55168fbff98c0    | Bin 0 -> 292664 bytes
 meap/ch4/target/debug/deps/ch4-cbb55168fbff98c0.d  |   5 +
 .../1a29m9nxvwqhbzve.o                             | Bin 0 -> 10976 bytes
 .../1wg3h6wxkurp7u2z.o                             | Bin 0 -> 12304 bytes
 .../1yyn102nsvj6jlfl.o                             | Bin 0 -> 8016 bytes
 .../2algmsswlf4osiz6.o                             | Bin 0 -> 10056 bytes
 .../2b0rhszsek5wx3yv.o                             | Bin 0 -> 8624 bytes
 .../31wt95rsfx3eggdu.o                             | Bin 0 -> 9176 bytes
 .../360d6j2s58nr2dfz.o                             | Bin 0 -> 5656 bytes
 .../3ce1r5wxynrwb71e.o                             | Bin 0 -> 6464 bytes
 .../402y3txp1ru76x9u.o                             | Bin 0 -> 4896 bytes
 .../44ajjlfm3m0xqkxs.o                             | Bin 0 -> 8608 bytes
 .../4cw3pagkyxh500ve.o                             | Bin 0 -> 16512 bytes
 .../548tzaiqitpbpsry.o                             | Bin 0 -> 22440 bytes
 .../55ksc9c1gynbv1bu.o                             | Bin 0 -> 19232 bytes
 .../5clpyylgtkr1osy9.o                             | Bin 0 -> 5744 bytes
 .../5ghq8hlhz5cd6sni.o                             | Bin 0 -> 3472 bytes
 .../9qetczw1rf0yeko.o                              | Bin 0 -> 3920 bytes
 .../dep-graph.bin                                  | Bin 0 -> 494582 bytes
 .../dt30w3o00e9hf42.o                              | Bin 0 -> 4720 bytes
 .../gniwg57nvnx21f1.o                              | Bin 0 -> 5224 bytes
 .../query-cache.bin                                | Bin 0 -> 129168 bytes
 .../work-products.bin                              | Bin 0 -> 980 bytes
 .../ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx.lock    |   0
 .../1ovrff2wy7pbicuz.o                             | Bin 0 -> 10080 bytes
 .../1qakoungnbu004ow.o                             | Bin 0 -> 4728 bytes
 .../1zdu87w4pkieclqt.o                             | Bin 0 -> 19312 bytes
 .../25wv7nvu7tnue4zu.o                             | Bin 0 -> 9800 bytes
 .../27dg0fgwl4lj6c1k.o                             | Bin 0 -> 3920 bytes
 .../2c5v6bzu75ufmp3o.o                             | Bin 0 -> 3472 bytes
 .../3sax87nuo81dg7xb.o                             | Bin 0 -> 4904 bytes
 .../3yy3rxnthd30119s.o                             | Bin 0 -> 5672 bytes
 .../3yzva5hf2vjr8jed.o                             | Bin 0 -> 16536 bytes
 .../4234mgamksz24sdi.o                             | Bin 0 -> 12328 bytes
 .../4edoropk8kn5wr4o.o                             | Bin 0 -> 7728 bytes
 .../4hkwibkbh3vhaezt.o                             | Bin 0 -> 5744 bytes
 .../4hq669qwogx2bgb.o                              | Bin 0 -> 4712 bytes
 .../4ii4feui4a3sx53t.o                             | Bin 0 -> 11008 bytes
 .../53agfzyzek9fvg19.o                             | Bin 0 -> 9176 bytes
 .../5c9xmtwmcple7mw0.o                             | Bin 0 -> 24440 bytes
 .../5g5wkmenexzyeq3a.o                             | Bin 0 -> 8648 bytes
 .../dep-graph.bin                                  | Bin 0 -> 503605 bytes
 .../n2dc7fdz1p5qyhc.o                              | Bin 0 -> 5240 bytes
 .../query-cache.bin                                | Bin 0 -> 132697 bytes
 .../work-products.bin                              | Bin 0 -> 1034 bytes
 .../xa69yr3j4v51mih.o                              | Bin 0 -> 8040 bytes
 .../ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n.lock    |   0
 64 files changed, 137 insertions(+)
 create mode 100755 meap/ch4/Cargo.lock
 create mode 100755 meap/ch4/Cargo.toml
 create mode 100755 meap/ch4/src/main.rs
 create mode 100755 meap/ch4/target/.rustc_info.json
 create mode 100755 meap/ch4/target/debug/.cargo-lock
 create mode 100755 meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e
 create mode 100755 meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e.json
 create mode 100755 meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/dep-bin-ch4-93da2e65ca49da5e
 create mode 100755 meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/invoked.timestamp
 create mode 100755 meap/ch4/target/debug/.fingerprint/ch4-cbb55168fbff98c0/bin-ch4-cbb55168fbff98c0
 create mode 100755 meap/ch4/target/debug/.fingerprint/ch4-cbb55168fbff98c0/bin-ch4-cbb55168fbff98c0.json
 create mode 100755 meap/ch4/target/debug/.fingerprint/ch4-cbb55168fbff98c0/dep-bin-ch4-cbb55168fbff98c0
 create mode 100755 meap/ch4/target/debug/.fingerprint/ch4-cbb55168fbff98c0/invoked.timestamp
 create mode 100755 meap/ch4/target/debug/ch4
 create mode 100755 meap/ch4/target/debug/ch4.d
 create mode 100755 meap/ch4/target/debug/deps/ch4-93da2e65ca49da5e
 create mode 100755 meap/ch4/target/debug/deps/ch4-93da2e65ca49da5e.d
 create mode 100755 meap/ch4/target/debug/deps/ch4-cbb55168fbff98c0
 create mode 100755 meap/ch4/target/debug/deps/ch4-cbb55168fbff98c0.d
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/1a29m9nxvwqhbzve.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/1wg3h6wxkurp7u2z.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/1yyn102nsvj6jlfl.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/2algmsswlf4osiz6.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/2b0rhszsek5wx3yv.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/31wt95rsfx3eggdu.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/360d6j2s58nr2dfz.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/3ce1r5wxynrwb71e.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/402y3txp1ru76x9u.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/44ajjlfm3m0xqkxs.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/4cw3pagkyxh500ve.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/548tzaiqitpbpsry.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/55ksc9c1gynbv1bu.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/5clpyylgtkr1osy9.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/5ghq8hlhz5cd6sni.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/9qetczw1rf0yeko.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/dep-graph.bin
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/dt30w3o00e9hf42.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/gniwg57nvnx21f1.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/query-cache.bin
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx-17yt2h0uxv4nh/work-products.bin
 create mode 100755 meap/ch4/target/debug/incremental/ch4-16ljjqolpo5qt/s-fbg8ny5hww-1j8o6kx.lock
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/1ovrff2wy7pbicuz.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/1qakoungnbu004ow.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/1zdu87w4pkieclqt.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/25wv7nvu7tnue4zu.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/27dg0fgwl4lj6c1k.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/2c5v6bzu75ufmp3o.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/3sax87nuo81dg7xb.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/3yy3rxnthd30119s.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/3yzva5hf2vjr8jed.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/4234mgamksz24sdi.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/4edoropk8kn5wr4o.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/4hkwibkbh3vhaezt.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/4hq669qwogx2bgb.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/4ii4feui4a3sx53t.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/53agfzyzek9fvg19.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/5c9xmtwmcple7mw0.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/5g5wkmenexzyeq3a.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/dep-graph.bin
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/n2dc7fdz1p5qyhc.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/query-cache.bin
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/work-products.bin
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n-254ngv2ote1fx/xa69yr3j4v51mih.o
 create mode 100755 meap/ch4/target/debug/incremental/ch4-2pxlhk1dy0u3l/s-fbj7k60kww-1892e9n.lock

(limited to 'meap/ch4')

diff --git a/meap/ch4/Cargo.lock b/meap/ch4/Cargo.lock
new file mode 100755
index 0000000..0b7a544
--- /dev/null
+++ b/meap/ch4/Cargo.lock
@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "ch4"
+version = "0.1.0"
+
diff --git a/meap/ch4/Cargo.toml b/meap/ch4/Cargo.toml
new file mode 100755
index 0000000..657b509
--- /dev/null
+++ b/meap/ch4/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "ch4"
+version = "0.1.0"
+authors = ["carpenat"]
+edition = "2018"
+
+[dependencies]
diff --git a/meap/ch4/src/main.rs b/meap/ch4/src/main.rs
new file mode 100755
index 0000000..fd00fef
--- /dev/null
+++ b/meap/ch4/src/main.rs
@@ -0,0 +1,106 @@
+//#[derive(Debug, Clone, Copy)]
+//struct CubeSat {
+//    id: u64,
+//}
+//
+//impl CubeSat {
+//    fn recv(&self, mailbox: &mut Mailbox) -> Option<Message> {
+//        mailbox.deliver(&self)
+//    }
+//}
+//
+////impl Copy for CubeSat {}
+////
+////impl Clone for CubeSat {
+////    fn clone(&self) -> Self {
+////        CubeSat {
+////            id: self.id,
+////        }
+////    }
+////}
+//
+//#[derive(Debug, Clone, Copy)]
+//enum StatusMessage {
+//    Ok,
+//}
+//
+////impl Copy for StatusMessage {}
+////
+////impl Clone for StatusMessage {
+////    fn clone(&self) -> Self {
+////        *self
+////    }
+////}
+//
+//#[derive(Debug)]
+//struct Mailbox {
+//    messages: Vec<Message>,
+//}
+//
+//impl Mailbox {
+//    fn post(&mut self, msg: Message) {
+//        self.messages.push(msg);
+//    }
+//
+//    fn deliver(&mut self, recipient: &CubeSat) -> Option<Message> {
+//        for i in 0..self.messages.len() {
+//            if self.messages[i].to == recipient.id {
+//                let msg = self.messages.remove(i);
+//                return Some(msg);
+//            }
+//        }
+//
+//        None
+//    }
+//}
+//
+//struct GroundStation {}
+//
+//impl GroundStation {
+//    fn send(&self, mailbox: &mut Mailbox, msg: Message) { 
+//        mailbox.post(msg);
+//    }
+//
+//    fn connect(&self, sat_id: u64) -> CubeSat {
+//        CubeSat {
+//            id: sat_id,
+//        }
+//    }
+//}
+//
+//#[derive(Debug)]
+//struct Message {
+//    to: u64,
+//    content: String,
+//}
+//
+//fn check_status(sat_id: CubeSat) -> StatusMessage {
+//    StatusMessage::Ok
+//}
+//
+//fn fetch_sat_ids() -> Vec<u64> {
+//    vec![1, 2, 3]
+//}
+//
+//fn main() {
+//    let sat_a = CubeSat {
+//        id: 0,
+//    };
+//
+//    let a_status = check_status(sat_a.clone());
+//    println!("a: {:?}", a_status);
+//
+//    let a_status = check_status(sat_a.clone());
+//    println!("a: {:?}", a_status);
+//}
+//
+
+use std::rc::Rc;
+
+#[derive(Debug)]
+struct GroundStation {}
+
+fn main() {
+    let base: Rc<GroundStation> = Rc::new(GroundStation {});
+    dbg!(base);
+}
diff --git a/meap/ch4/target/.rustc_info.json b/meap/ch4/target/.rustc_info.json
new file mode 100755
index 0000000..d0de999
--- /dev/null
+++ b/meap/ch4/target/.rustc_info.json
@@ -0,0 +1 @@
+{"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
new file mode 100755
index 0000000..e69de29
diff --git a/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e b/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e
new file mode 100755
index 0000000..f01ed18
--- /dev/null
+++ b/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e
@@ -0,0 +1 @@
+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
new file mode 100755
index 0000000..01d88de
--- /dev/null
+++ b/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/bin-ch4-93da2e65ca49da5e.json
@@ -0,0 +1 @@
+{"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
diff --git a/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/dep-bin-ch4-93da2e65ca49da5e b/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/dep-bin-ch4-93da2e65ca49da5e
new file mode 100755
index 0000000..e046c38
Binary files /dev/null and b/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/dep-bin-ch4-93da2e65ca49da5e differ
diff --git a/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/invoked.timestamp b/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/invoked.timestamp
new file mode 100755
index 0000000..e00328d
--- /dev/null
+++ b/meap/ch4/target/debug/.fingerprint/ch4-93da2e65ca49da5e/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
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