rust/examples/toplevel_ref_arg.rs
2014-12-26 05:30:03 +05:30

15 lines
188 B
Rust

#![feature(phase)]
#[phase(plugin)]
extern crate clippy;
fn the_answer(ref mut x: u8) {
*x = 42;
}
fn main() {
let mut x = 0;
the_answer(x);
println!("The answer is {}.", x);
}