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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/pattern/bindings-after-at/bind-by-copy.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/pattern/bindings-after-at/bind-by-copy.rs')
-rw-r--r-- | tests/ui/pattern/bindings-after-at/bind-by-copy.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/ui/pattern/bindings-after-at/bind-by-copy.rs b/tests/ui/pattern/bindings-after-at/bind-by-copy.rs new file mode 100644 index 000000000..2b349f0ed --- /dev/null +++ b/tests/ui/pattern/bindings-after-at/bind-by-copy.rs @@ -0,0 +1,47 @@ +// run-pass + +// Test copy + +struct A { a: i32, b: i32 } +struct B { a: i32, b: C } +struct D { a: i32, d: C } +#[derive(Copy,Clone)] +struct C { c: i32 } + +pub fn main() { + match (A {a: 10, b: 20}) { + x@A {a, b: 20} => { assert!(x.a == 10); assert!(a == 10); } + A {b: _b, ..} => { panic!(); } + } + + let mut x@B {b, ..} = B {a: 10, b: C {c: 20}}; + assert_eq!(x.a, 10); + x.b.c = 30; + assert_eq!(b.c, 20); + let mut y@D {d, ..} = D {a: 10, d: C {c: 20}}; + assert_eq!(y.a, 10); + y.d.c = 30; + assert_eq!(d.c, 20); + + let some_b = Some(B { a: 10, b: C { c: 20 } }); + + // in irrefutable pattern + if let Some(x @ B { b, .. }) = some_b { + assert_eq!(x.b.c, 20); + assert_eq!(b.c, 20); + } else { + unreachable!(); + } + + let some_b = Some(B { a: 10, b: C { c: 20 } }); + + if let Some(x @ B { b: mut b @ C { c }, .. }) = some_b { + assert_eq!(x.b.c, 20); + assert_eq!(b.c, 20); + b.c = 30; + assert_eq!(b.c, 30); + assert_eq!(c, 20); + } else { + unreachable!(); + } +} |