30 lines
1.2 KiB
Rust
30 lines
1.2 KiB
Rust
// Test that `binding @ subpat` acts as a product context with respect to duplicate binding names.
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// The code that is tested here lives in resolve (see `resolve_pattern_inner`).
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fn main() {
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fn f(a @ a @ a: ()) {}
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//~^ ERROR identifier `a` is bound more than once in this parameter list
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//~| ERROR identifier `a` is bound more than once in this parameter list
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match Ok(0) {
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Ok(a @ b @ a)
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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| Err(a @ b @ a)
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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=> {}
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}
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let a @ a @ a = ();
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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//~| ERROR identifier `a` is bound more than once in the same pattern
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let ref a @ ref a = ();
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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let ref mut a @ ref mut a = ();
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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let a @ (Ok(a) | Err(a)) = Ok(());
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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//~| ERROR identifier `a` is bound more than once in the same pattern
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}
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