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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/macro-multiple-matcher-bindings.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/macro-multiple-matcher-bindings.rs')
-rw-r--r-- | src/test/ui/macros/macro-multiple-matcher-bindings.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/macros/macro-multiple-matcher-bindings.rs b/src/test/ui/macros/macro-multiple-matcher-bindings.rs new file mode 100644 index 000000000..7d39dc0a5 --- /dev/null +++ b/src/test/ui/macros/macro-multiple-matcher-bindings.rs @@ -0,0 +1,21 @@ +// Test that duplicate matcher binding names are caught at declaration time, rather than at macro +// invocation time. + +#![allow(unused_macros)] + +macro_rules! foo1 { + ($a:ident, $a:ident) => {}; //~ERROR duplicate matcher binding + ($a:ident, $a:path) => {}; //~ERROR duplicate matcher binding +} + +macro_rules! foo2 { + ($a:ident) => {}; // OK + ($a:path) => {}; // OK +} + +macro_rules! foo3 { + ($a:ident, $($a:ident),*) => {}; //~ERROR duplicate matcher binding + ($($a:ident)+ # $($($a:path),+);*) => {}; //~ERROR duplicate matcher binding +} + +fn main() {} |