diff options
Diffstat (limited to 'tests/ui/consts/const_in_pattern/issue-44333.rs')
-rw-r--r-- | tests/ui/consts/const_in_pattern/issue-44333.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/consts/const_in_pattern/issue-44333.rs b/tests/ui/consts/const_in_pattern/issue-44333.rs new file mode 100644 index 000000000..96e8795e5 --- /dev/null +++ b/tests/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!(), + } +} |