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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/macros/typeck-macro-interaction-issue-8852.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/macros/typeck-macro-interaction-issue-8852.rs')
-rw-r--r-- | src/test/ui/macros/typeck-macro-interaction-issue-8852.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/macros/typeck-macro-interaction-issue-8852.rs b/src/test/ui/macros/typeck-macro-interaction-issue-8852.rs new file mode 100644 index 000000000..f2b089b74 --- /dev/null +++ b/src/test/ui/macros/typeck-macro-interaction-issue-8852.rs @@ -0,0 +1,30 @@ +// run-pass +#![allow(dead_code)] + +enum T { + A(isize), + B(f64) +} + +// after fixing #9384 and implementing hygiene for match bindings, +// this now fails because the insertion of the 'y' into the match +// doesn't cause capture. Making this macro hygienic (as I've done) +// could very well make this test case completely pointless.... + +macro_rules! test { + ($id1:ident, $id2:ident, $e:expr) => ( + fn foo(a:T, b:T) -> T { + match (a, b) { + (T::A($id1), T::A($id2)) => T::A($e), + (T::B($id1), T::B($id2)) => T::B($e), + _ => panic!() + } + } + ) +} + +test!(x,y,x + y); + +pub fn main() { + foo(T::A(1), T::A(2)); +} |