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-rwxr-xr-xrust-book/advanced/adv-traits/Cargo.lock4
-rwxr-xr-xrust-book/advanced/adv-traits/Cargo.toml7
-rwxr-xr-xrust-book/advanced/adv-traits/src/main.rs163
3 files changed, 174 insertions, 0 deletions
diff --git a/rust-book/advanced/adv-traits/Cargo.lock b/rust-book/advanced/adv-traits/Cargo.lock
new file mode 100755
index 0000000..4fb1ae5
--- /dev/null
+++ b/rust-book/advanced/adv-traits/Cargo.lock
@@ -0,0 +1,4 @@
+[[package]]
+name = "adv-traits"
+version = "0.1.0"
+
diff --git a/rust-book/advanced/adv-traits/Cargo.toml b/rust-book/advanced/adv-traits/Cargo.toml
new file mode 100755
index 0000000..b1c5f6a
--- /dev/null
+++ b/rust-book/advanced/adv-traits/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "adv-traits"
+version = "0.1.0"
+authors = ["Adam Carpenter <53hornet@gmail.com>"]
+edition = "2018"
+
+[dependencies]
diff --git a/rust-book/advanced/adv-traits/src/main.rs b/rust-book/advanced/adv-traits/src/main.rs
new file mode 100755
index 0000000..659883c
--- /dev/null
+++ b/rust-book/advanced/adv-traits/src/main.rs
@@ -0,0 +1,163 @@
+//fn main() {
+// println!("Hello, world!");
+//}
+//
+//pub trait Iterator {
+// type Item;
+//
+// fn next(&mut self) -> Option<Self::Item>;
+//}
+//
+//
+//#[derive(Debug, PartialEq)]
+//struct Point {
+// x: i32,
+// y: i32,
+//}
+//
+//impl Add for Point {
+// type Output = Point;
+//
+// fn add(self, other: Point) -> Point {
+// Point {
+// x: self.x + other.x,
+// y: self.y + other.y,
+// }
+// }
+//}
+
+//fn main() {
+// assert_eq!(Point { x: 1, y: 0 } + Point { x: 2, y: 3 },
+// Point { x: 3, y: 3 });
+// println!("Done.");
+//}
+
+//trait Add<RHS=Self> {
+// type Output;
+//
+// fn add(self, rhs: RHS) -> Self::Output;
+//}
+
+//use std::ops::Add;
+//
+//struct Millimeters(u32);
+//struct Meters(u32);
+//
+//impl Add<Meters> for Millimeters {
+// type Output = Millimeters;
+//
+// fn add(self, other: Meters) -> Millimeters {
+// Millimeters(self.0 + (other.0 * 1000))
+// }
+//}
+
+
+//trait Pilot {
+// fn fly(&self);
+//}
+//
+//trait Wizard {
+// fn fly(&self);
+//}
+//
+//struct Human;
+//
+//impl Pilot for Human {
+// fn fly(&self) {
+// println!("Because I was inverted.");
+// }
+//}
+//
+//impl Wizard for Human {
+// fn fly(&self) {
+// println!("Fly, you fools.");
+// }
+//}
+//
+//impl Human {
+// fn fly(&self) {
+// println!("*feels real loose like a long-neck goose*");
+// }
+//}
+//
+//
+//trait Animal {
+// fn baby_name() -> String;
+//}
+//
+//struct Dog;
+//
+//impl Dog {
+// fn baby_name() -> String {
+// String::from("Spot")
+// }
+//}
+//
+//impl Animal for Dog {
+// fn baby_name() -> String {
+// String::from("puppy")
+// }
+//}
+
+
+//fn main() {
+// let person = Human;
+// person.fly();
+// Pilot::fly(&person);
+// Wizard::fly(&person);
+//
+//
+// println!("A baby dog is called a {}", <Dog as Animal>::baby_name());
+//
+//
+// println!("Done.");
+//}
+//
+
+
+//use std::fmt;
+//
+//trait OutlinePrint: fmt::Display {
+// fn outline_print(&self) {
+// let output = self.to_string();
+// let len = output.len();
+// println!("{}", "*".repeat(len + 4));
+// println!("*{}*", " ".repeat(len + 2));
+// println!("* {} *", output);
+// println!("*{}*", " ".repeat(len + 2));
+// println!("{}", "*".repeat(len + 4));
+// }
+//}
+//
+//struct Point {
+// x: i32,
+// y: i32,
+//}
+//
+//impl OutlinePrint for Point {}
+//
+//impl fmt::Display for Point {
+// fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+// write!(f, "({}, {})", self.x, self.y)
+// }
+//}
+//
+//fn main() {
+// let point = Point { x: 5, y: 6 };
+// point.outline_print();
+//}
+
+use std::fmt;
+
+struct Wrapper(Vec<String>);
+
+impl fmt::Display for Wrapper {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ write!(f, "[{}]", self.0.join(", "))
+ }
+}
+
+fn main() {
+ let w = Wrapper(vec![String::from("hello"), String::from("world")]);
+ println!("w = {}", w);
+}