blob: 3ebf59c643735f9dd6570dc56b208d8690f2c31d [file] [log] [blame]
// This test ensures that the "already bound identifier in a product pattern"
// correctly accounts for or-patterns.
#![feature(or_patterns)]
//~^ WARN the feature `or_patterns` is incomplete
enum E<T> { A(T, T), B(T) }
use E::*;
fn main() {
let (a, a) = (0, 1); // Standard duplication without an or-pattern.
//~^ ERROR identifier `a` is bound more than once in the same pattern
let (a, A(a, _) | B(a)) = (0, A(1, 2));
//~^ ERROR identifier `a` is bound more than once in the same pattern
//~| ERROR identifier `a` is bound more than once in the same pattern
let (A(a, _) | B(a), a) = (A(0, 1), 2);
//~^ ERROR identifier `a` is bound more than once in the same pattern
let A(a, a) | B(a) = A(0, 1);
//~^ ERROR identifier `a` is bound more than once in the same pattern
let B(a) | A(a, a) = A(0, 1);
//~^ ERROR identifier `a` is bound more than once in the same pattern
match A(0, 1) {
B(a) | A(a, a) => {} // Let's ensure `match` has no funny business.
//~^ ERROR identifier `a` is bound more than once in the same pattern
}
let B(A(a, _) | B(a)) | A(a, A(a, _) | B(a)) = B(B(1));
//~^ ERROR identifier `a` is bound more than once in the same pattern
//~| ERROR identifier `a` is bound more than once in the same pattern
//~| ERROR mismatched types
let B(_) | A(A(a, _) | B(a), A(a, _) | B(a)) = B(B(1));
//~^ ERROR identifier `a` is bound more than once in the same pattern
//~| ERROR identifier `a` is bound more than once in the same pattern
//~| ERROR variable `a` is not bound in all patterns
let B(A(a, _) | B(a)) | A(A(a, _) | B(a), A(a, _) | B(a)) = B(B(1));
//~^ ERROR identifier `a` is bound more than once in the same pattern
//~| ERROR identifier `a` is bound more than once in the same pattern
}