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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:59:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:59:35 +0000 |
commit | d1b2d29528b7794b41e66fc2136e395a02f8529b (patch) | |
tree | a4a17504b260206dec3cf55b2dca82929a348ac2 /tests/ui/pattern/slice-patterns-ambiguity.rs | |
parent | Releasing progress-linux version 1.72.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-d1b2d29528b7794b41e66fc2136e395a02f8529b.tar.xz rustc-d1b2d29528b7794b41e66fc2136e395a02f8529b.zip |
Merging upstream version 1.73.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/pattern/slice-patterns-ambiguity.rs')
-rw-r--r-- | tests/ui/pattern/slice-patterns-ambiguity.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/ui/pattern/slice-patterns-ambiguity.rs b/tests/ui/pattern/slice-patterns-ambiguity.rs new file mode 100644 index 000000000..0fe24b0e5 --- /dev/null +++ b/tests/ui/pattern/slice-patterns-ambiguity.rs @@ -0,0 +1,47 @@ +#![allow(unused_variables)] + +struct Zeroes; + +const ARR: [usize; 2] = [0; 2]; +const ARR2: [usize; 2] = [2; 2]; + +impl Into<&'static [usize; 2]> for Zeroes { + fn into(self) -> &'static [usize; 2] { + &ARR + } +} + +impl Into<&'static [usize]> for Zeroes { + fn into(self) -> &'static [usize] { + &ARR2 + } +} + +fn let_decl() { + let &[a, b] = Zeroes.into(); +} + +fn let_else() { + let &[a, b] = Zeroes.into() else { + //~^ ERROR type annotations needed + unreachable!(); + }; +} + +fn if_let() { + if let &[a, b] = Zeroes.into() { + //~^ ERROR type annotations needed + unreachable!(); + } +} + +fn if_let_else() { + if let &[a, b] = Zeroes.into() { + //~^ ERROR type annotations needed + unreachable!(); + } else { + unreachable!(); + } +} + +fn main() {} |