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Auto merge of #8983 - Alexendoo:redundant_closure_tests, r=giraffate

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Add tests for some fixed `redundant_closure` issues

closes #7861
closes #5939

changelog: none
This commit is contained in:
bors 2022-06-13 00:14:31 +00:00
commit b95ce0eada
2 changed files with 24 additions and 0 deletions
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12
tests/ui/eta.fixed
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@ -291,3 +291,15 @@ fn coerced_closure() {
fn slice_fn(_: impl FnOnce() -> &'static [u8]) {}
slice_fn(|| arr());
}
// https://github.com/rust-lang/rust-clippy/issues/7861
fn box_dyn() {
fn f(_: impl Fn(usize) -> Box<dyn std::any::Any>) {}
f(|x| Box::new(x));
}
// https://github.com/rust-lang/rust-clippy/issues/5939
fn not_general_enough() {
fn f(_: impl FnMut(&Path) -> std::io::Result<()>) {}
f(|path| std::fs::remove_file(path));
}

12
tests/ui/eta.rs
View file

@ -291,3 +291,15 @@ fn coerced_closure() {
fn slice_fn(_: impl FnOnce() -> &'static [u8]) {}
slice_fn(|| arr());
}
// https://github.com/rust-lang/rust-clippy/issues/7861
fn box_dyn() {
fn f(_: impl Fn(usize) -> Box<dyn std::any::Any>) {}
f(|x| Box::new(x));
}
// https://github.com/rust-lang/rust-clippy/issues/5939
fn not_general_enough() {
fn f(_: impl FnMut(&Path) -> std::io::Result<()>) {}
f(|path| std::fs::remove_file(path));
}