rust/tests/ui/toplevel_ref_arg.rs
2019-09-26 08:14:58 +07:00

28 lines
515 B
Rust

// run-rustfix
#![warn(clippy::toplevel_ref_arg)]
#![allow(unused)]
fn main() {
// 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);
let ref x = vec![1, 2, 3];
// Make sure that allowing the lint works
#[allow(clippy::toplevel_ref_arg)]
let ref mut x = 1_234_543;
}