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// run-pass
struct TupleStruct<S, T>(S, T);
impl<S, T> TupleStruct<S, T> {
fn assign(self, first: &mut S, second: &mut T) {
// Test usage of `Self` instead of the struct name:
Self(*first, *second) = self
}
}
enum Enum<S, T> {
SingleVariant(S, T)
}
type Alias<S> = Enum<S, isize>;
fn main() {
let (mut a, mut b);
TupleStruct(a, b) = TupleStruct(0, 1);
assert_eq!((a, b), (0, 1));
TupleStruct(a, .., b) = TupleStruct(1, 2);
assert_eq!((a, b), (1, 2));
TupleStruct(_, a) = TupleStruct(2, 2);
assert_eq!((a, b), (2, 2));
TupleStruct(..) = TupleStruct(3, 4);
assert_eq!((a, b), (2, 2));
TupleStruct(5,6).assign(&mut a, &mut b);
assert_eq!((a, b), (5, 6));
Enum::SingleVariant(a, b) = Enum::SingleVariant(7, 8);
assert_eq!((a, b), (7, 8));
Alias::SingleVariant(a, b) = Alias::SingleVariant(9, 10);
assert_eq!((a, b), (9, 10));
}
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