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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/consts/const_in_pattern/issue-44333.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/consts/const_in_pattern/issue-44333.rs')
-rw-r--r-- | src/test/ui/consts/const_in_pattern/issue-44333.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/consts/const_in_pattern/issue-44333.rs b/src/test/ui/consts/const_in_pattern/issue-44333.rs new file mode 100644 index 000000000..96e8795e5 --- /dev/null +++ b/src/test/ui/consts/const_in_pattern/issue-44333.rs @@ -0,0 +1,25 @@ +// run-pass + +#![warn(pointer_structural_match)] + +type Func = fn(usize, usize) -> usize; + +fn foo(a: usize, b: usize) -> usize { a + b } +fn bar(a: usize, b: usize) -> usize { a * b } +fn test(x: usize) -> Func { + if x % 2 == 0 { foo } + else { bar } +} + +const FOO: Func = foo; +const BAR: Func = bar; + +fn main() { + match test(std::env::consts::ARCH.len()) { + FOO => println!("foo"), //~ WARN pointers in patterns behave unpredictably + //~^ WARN will become a hard error + BAR => println!("bar"), //~ WARN pointers in patterns behave unpredictably + //~^ WARN will become a hard error + _ => unreachable!(), + } +} |