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Add tests for some fixed redundant_closure issues

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This commit is contained in:
Alex Macleod 2022-06-10 13:25:22 +00:00
parent b3c94c0828
commit eae9c56aab
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));
}