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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/destructuring-assignment/tuple_struct_destructure.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/destructuring-assignment/tuple_struct_destructure.rs')
-rw-r--r-- | src/test/ui/destructuring-assignment/tuple_struct_destructure.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/ui/destructuring-assignment/tuple_struct_destructure.rs b/src/test/ui/destructuring-assignment/tuple_struct_destructure.rs new file mode 100644 index 000000000..07b5f7a31 --- /dev/null +++ b/src/test/ui/destructuring-assignment/tuple_struct_destructure.rs @@ -0,0 +1,34 @@ +// 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)); +} |