4 files changed, 52 insertions, 0 deletions
diff --git a/rust-book/crates/Cargo.lock b/rust-book/crates/Cargo.lock
new file mode 100755
index 0000000..3e95fa1
--- /dev/null
+++ b/rust-book/crates/Cargo.lock
@@ -0,0 +1,4 @@
+[[package]]
+name = "crates"
+version = "0.1.0"
+
diff --git a/rust-book/crates/Cargo.toml b/rust-book/crates/Cargo.toml
new file mode 100755
index 0000000..202ff1d
--- /dev/null
+++ b/rust-book/crates/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "crates"
+version = "0.1.0"
+authors = ["53hornet <53hornet@gmail.com>"]
+edition = "2018"
+
+[dependencies]
diff --git a/rust-book/crates/src/lib.rs b/rust-book/crates/src/lib.rs
new file mode 100755
index 0000000..5cf1d97
--- /dev/null
+++ b/rust-book/crates/src/lib.rs
@@ -0,0 +1,33 @@
+//! # Art
+//!
+//! A library for modeling artistic concepts.
+
+pub use kinds::PrimaryColor;
+pub use kinds::SecondaryColor;
+pub use utils::mix;
+
+pub mod kinds {
+    /// The primary colors according to the RYB color model.
+    pub enum PrimaryColor {
+        Red,
+        Yellow,
+        Blue,
+    }
+
+    /// The secondary colors according to the RYB color model.
+    pub enum SecondaryColor {
+        Orange,
+        Green,
+        Purple,
+    }
+}
+
+pub mod utils {
+    use crate::kinds::*;
+
+    /// Combines two primary color in equal amounts to create 
+    /// a secondary color.
+    pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
+        SecondaryColor::Green
+    }
+}
diff --git a/rust-book/crates/src/main.rs b/rust-book/crates/src/main.rs
new file mode 100755
index 0000000..80668f2
--- /dev/null
+++ b/rust-book/crates/src/main.rs
@@ -0,0 +1,8 @@
+use art::PrimaryColor;
+use art::mix;
+
+fn main() {
+    let red = PrimaryColor::Red,
+    let yellow = PrimaryColor::Yellow;
+    mix(red, yellow);
+}