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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/lint/unused/issue-88519-unused-paren.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/lint/unused/issue-88519-unused-paren.rs')
-rw-r--r-- | src/test/ui/lint/unused/issue-88519-unused-paren.rs | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused/issue-88519-unused-paren.rs b/src/test/ui/lint/unused/issue-88519-unused-paren.rs new file mode 100644 index 000000000..be02fcd3f --- /dev/null +++ b/src/test/ui/lint/unused/issue-88519-unused-paren.rs @@ -0,0 +1,94 @@ +// check-pass +// Make sure unused parens lint doesn't emit a false positive. +// See https://github.com/rust-lang/rust/issues/88519 +#![deny(unused_parens)] +#![feature(type_ascription)] + +// binary ops are tested in issue-71290-unused-paren-binop.rs + +mod call { + fn noop() -> u8 { 0 } + fn outside() -> u8 { + ({ noop })() + } + fn inside() -> u8 { + ({ noop }()) + } + fn outside_match() -> u8 { + (match noop { x => x })() + } + fn inside_match() -> u8 { + (match noop { x => x }()) + } + fn outside_if() -> u8 { + (if false { noop } else { noop })() + } + fn inside_if() -> u8 { + (if false { noop } else { noop }()) + } +} + +mod casts { + fn outside() -> u8 { + ({ 0 }) as u8 + } + fn inside() -> u8 { + ({ 0 } as u8) + } + fn outside_match() -> u8 { + (match 0 { x => x }) as u8 + } + fn inside_match() -> u8 { + (match 0 { x => x } as u8) + } + fn outside_if() -> u8 { + (if false { 0 } else { 0 }) as u8 + } + fn inside_if() -> u8 { + (if false { 0 } else { 0 } as u8) + } +} + +mod typeascription { + fn outside() -> u8 { + ({ 0 }): u8 + } + fn inside() -> u8 { + ({ 0 }: u8) + } + fn outside_match() -> u8 { + (match 0 { x => x }): u8 + } + fn inside_match() -> u8 { + (match 0 { x => x }: u8) + } + fn outside_if() -> u8 { + (if false { 0 } else { 0 }): u8 + } + fn inside_if() -> u8 { + (if false { 0 } else { 0 }: u8) + } +} + +mod index { + fn outside(x: &[u8]) -> u8 { + ({ x })[0] + } + fn inside(x: &[u8]) -> u8 { + ({ x }[0]) + } + fn outside_match(x: &[u8]) -> u8 { + (match x { x => x })[0] + } + fn inside_match(x: &[u8]) -> u8 { + (match x { x => x }[0]) + } + fn outside_if(x: &[u8]) -> u8 { + (if false { x } else { x })[0] + } + fn inside_if(x: &[u8]) -> u8 { + (if false { x } else { x }[0]) + } +} + +fn main() {} |