158aa39a7c
I'm not sure why some lints need the `HirId` to be able to recognize the lint level attributes, but this commit makes the lint level attributes work for `toplevel_ref_arg`.
30 lines
539 B
Rust
30 lines
539 B
Rust
#![warn(clippy::all)]
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#![allow(unused)]
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fn the_answer(ref mut x: u8) {
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*x = 42;
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}
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fn main() {
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let mut x = 0;
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the_answer(x);
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// Closures should not warn
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let y = |ref x| println!("{:?}", x);
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y(1u8);
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let ref x = 1;
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let ref y: (&_, u8) = (&1, 2);
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let ref z = 1 + 2;
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let ref mut z = 1 + 2;
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let (ref x, _) = (1, 2); // ok, not top level
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println!("The answer is {}.", x);
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// Make sure that allowing the lint works
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#[allow(clippy::toplevel_ref_arg)]
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let ref mut x = 1_234_543;
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}
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