In this example, x is an i32 (a 32-bit integer) and y is an f64 (a 64-bit floating-point number).
match x 1 => println!("x is 1"), 2 => println!("x is 2"), _ => println!("x is something else"), ultimate rust crash course
let mut v = Vec::new(); v.push(1); v.push(2); In this example, x is an i32 (a
use std::fs::File;