rust-clippy/tests/ui/toplevel_ref_arg.rs
2019-09-26 01:53:39 +00:00

26 lines
503 B
Rust

// run-rustfix
#![warn(clippy::toplevel_ref_arg)]
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;
}