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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/rfc-2294-if-let-guard/run-pass.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/rfc-2294-if-let-guard/run-pass.rs')
-rw-r--r-- | src/test/ui/rfc-2294-if-let-guard/run-pass.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2294-if-let-guard/run-pass.rs b/src/test/ui/rfc-2294-if-let-guard/run-pass.rs new file mode 100644 index 000000000..3da57989d --- /dev/null +++ b/src/test/ui/rfc-2294-if-let-guard/run-pass.rs @@ -0,0 +1,33 @@ +// run-pass + +#![feature(if_let_guard)] + +enum Foo { + Bar, + Baz, + Qux(u8), +} + +fn bar(x: bool) -> Foo { + if x { Foo::Baz } else { Foo::Bar } +} + +fn baz(x: u8) -> Foo { + if x % 2 == 0 { Foo::Bar } else { Foo::Baz } +} + +fn qux(x: u8) -> Foo { + Foo::Qux(x.rotate_left(1)) +} + +fn main() { + match Some((true, 3)) { + Some((x, _)) if let Foo::Bar = bar(x) => panic!(), + Some((_, x)) if let Foo::Baz = baz(x) => {}, + _ => panic!(), + } + match Some(42) { + Some(x) if let Foo::Qux(y) = qux(x) => assert_eq!(y, 84), + _ => panic!(), + } +} |