rust-clippy/tests/ui/toplevel_ref_arg.rs
2019-03-10 18:06:28 +00:00

25 lines
422 B
Rust

#![warn(clippy::all)]
#![allow(unused)]
fn the_answer(ref mut x: u8) {
*x = 42;
}
fn main() {
let mut x = 0;
the_answer(x);
// Closures should not warn
let y = |ref x| println!("{:?}", x);
y(1u8);
let ref x = 1;
let ref y: (&_, u8) = (&1, 2);
let ref z = 1 + 2;
let ref mut z = 1 + 2;
let (ref x, _) = (1, 2); // ok, not top level
println!("The answer is {}.", x);
}