matching and patterns

matching/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "matching"
+version = "0.1.0"
+authors = ["gbrochar <gaetanbrochard@protonmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

matching/src/main.rs

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+struct Point {
+    x: i32,
+    y: i32,
+}
+
+fn main() {
+    let mut stack = Vec::new();
+
+    stack.push(1);
+    stack.push(2);
+    stack.push(3);
+
+    while let Some(top) = stack.pop() {
+        println!("{}", top);
+    }
+
+    let p = Point { x: 0, y: 7 };
+
+    match p {
+        Point { x, y: 0 } => println!("On the x axis at {}", x),
+        Point { x: 0, y } => println!("On the y axis at {}", y),
+        Point { x, y } => println!("On neither axis: ({}, {})", x, y),
+    }
+
+    let ((feet, inches), Point { x, y }) = ((3, 10), Point { x: 3, y: -10 });
+    println!("{}, {}, {}, {}", feet, inches, x, y);
+
+    let x = 4;
+    let y = false;
+
+    match x {
+        4 | 5 | 6 if y => println!("yes"),
+        _ => println!("no"),
+    }
+}