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// Test that duplicate matcher binding names are caught at declaration time, rather than at macro | ||
// invocation time. | ||
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macro_rules! foo1 { | ||
($a:ident, $a:ident) => {}; //~ERROR duplicate matcher binding | ||
($a:ident, $a:path) => {}; //~ERROR duplicate matcher binding | ||
} | ||
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macro_rules! foo2 { | ||
($a:ident) => {}; // OK | ||
($a:path) => {}; // OK | ||
} | ||
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macro_rules! foo3 { | ||
($a:ident, $($a:ident),*) => {}; //~ERROR duplicate matcher binding | ||
($($a:ident)+ # $($($a:path),+);*) => {}; //~ERROR duplicate matcher binding | ||
} | ||
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fn main() {} |
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error: duplicate matcher binding | ||
--> $DIR/macro-multiple-matcher-bindings.rs:5:16 | ||
| | ||
LL | ($a:ident, $a:ident) => {}; //~ERROR duplicate matcher binding | ||
| ^^^^^^^^ | ||
| | ||
note: previous declaration was here | ||
--> $DIR/macro-multiple-matcher-bindings.rs:5:6 | ||
| | ||
LL | ($a:ident, $a:ident) => {}; //~ERROR duplicate matcher binding | ||
| ^^^^^^^^ | ||
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error: duplicate matcher binding | ||
--> $DIR/macro-multiple-matcher-bindings.rs:6:16 | ||
| | ||
LL | ($a:ident, $a:path) => {}; //~ERROR duplicate matcher binding | ||
| ^^^^^^^ | ||
| | ||
note: previous declaration was here | ||
--> $DIR/macro-multiple-matcher-bindings.rs:6:6 | ||
| | ||
LL | ($a:ident, $a:path) => {}; //~ERROR duplicate matcher binding | ||
| ^^^^^^^^ | ||
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error: duplicate matcher binding | ||
--> $DIR/macro-multiple-matcher-bindings.rs:15:18 | ||
| | ||
LL | ($a:ident, $($a:ident),*) => {}; //~ERROR duplicate matcher binding | ||
| ^^^^^^^^ | ||
| | ||
note: previous declaration was here | ||
--> $DIR/macro-multiple-matcher-bindings.rs:15:6 | ||
| | ||
LL | ($a:ident, $($a:ident),*) => {}; //~ERROR duplicate matcher binding | ||
| ^^^^^^^^ | ||
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error: duplicate matcher binding | ||
--> $DIR/macro-multiple-matcher-bindings.rs:16:25 | ||
| | ||
LL | ($($a:ident)+ # $($($a:path),+);*) => {}; //~ERROR duplicate matcher binding | ||
| ^^^^^^^ | ||
| | ||
note: previous declaration was here | ||
--> $DIR/macro-multiple-matcher-bindings.rs:16:8 | ||
| | ||
LL | ($($a:ident)+ # $($($a:path),+);*) => {}; //~ERROR duplicate matcher binding | ||
| ^^^^^^^^ | ||
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error: aborting due to 4 previous errors | ||
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