Rust

Statements and expressions

let x = 4;

let y = {
    let x = 1;
    x + 2
};

let z = if {} else {};

let q = loop { break 42 };

Tuples

let tup = (1, 2.0, "foo");
let (x, y, s) = tup;

Arrays

let a = [1, 2, 3, 4];

let b = [2; 3]; // same as let b = [2, 2, 2];

Loops

loop {}

while true {}

for i in (1..10) {}

Functions

fn foo(x: i32, y: f64) -> u128 {}

Structs

struct Foo {
  value: i32,
}

Methods

impl Foo {
  fn val(&self) -> i32 {
    self.value
  }
}

let val = foo.val();

Associated Functions

impl Foo {
  fn plus_one(val: i32) -> Foo {
    Foo{value: val+1}
  }
}

let foo = Foo::plus_one(41);