6 files changed, 52 insertions, 0 deletions
diff --git a/rust-book/add/Cargo.lock b/rust-book/add/Cargo.lock
new file mode 100755
index 0000000..64cb0d1
--- /dev/null
+++ b/rust-book/add/Cargo.lock
@@ -0,0 +1,11 @@
+[[package]]
+name = "add-one"
+version = "0.1.0"
+
+[[package]]
+name = "adder"
+version = "0.1.0"
+dependencies = [
+ "add-one 0.1.0",
+]
+
diff --git a/rust-book/add/Cargo.toml b/rust-book/add/Cargo.toml
new file mode 100755
index 0000000..37b9688
--- /dev/null
+++ b/rust-book/add/Cargo.toml
@@ -0,0 +1,7 @@
+[workspace]
+
+members = [
+    "adder",
+    "add-one",
+]
+
diff --git a/rust-book/add/add-one/Cargo.toml b/rust-book/add/add-one/Cargo.toml
new file mode 100755
index 0000000..88d65d1
--- /dev/null
+++ b/rust-book/add/add-one/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "add-one"
+version = "0.1.0"
+authors = ["Adam Carpenter <53hornet@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+rand = "0.3.14"
diff --git a/rust-book/add/add-one/src/lib.rs b/rust-book/add/add-one/src/lib.rs
new file mode 100755
index 0000000..fe3583e
--- /dev/null
+++ b/rust-book/add/add-one/src/lib.rs
@@ -0,0 +1,11 @@
+pub fn add_one(x: i32) -> i32 {
+    x + 1 
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        assert_eq!(2 + 2, 4);
+    }
+}
diff --git a/rust-book/add/adder/Cargo.toml b/rust-book/add/adder/Cargo.toml
new file mode 100755
index 0000000..1fefcc2
--- /dev/null
+++ b/rust-book/add/adder/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "adder"
+version = "0.1.0"
+authors = ["Adam Carpenter <53hornet@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+add-one = { path = "../add-one" }
+
diff --git a/rust-book/add/adder/src/main.rs b/rust-book/add/adder/src/main.rs
new file mode 100755
index 0000000..7099fb8
--- /dev/null
+++ b/rust-book/add/adder/src/main.rs
@@ -0,0 +1,6 @@
+use add_one;
+
+fn main() {
+    let num = 10;
+    println!("{}", add_one::add_one(num));
+}