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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/pattern/usefulness/slice-pattern-const-2.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/pattern/usefulness/slice-pattern-const-2.rs')
-rw-r--r-- | tests/ui/pattern/usefulness/slice-pattern-const-2.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/pattern/usefulness/slice-pattern-const-2.rs b/tests/ui/pattern/usefulness/slice-pattern-const-2.rs new file mode 100644 index 000000000..4bf8d0fd2 --- /dev/null +++ b/tests/ui/pattern/usefulness/slice-pattern-const-2.rs @@ -0,0 +1,31 @@ +#![deny(unreachable_patterns)] + +fn main() { + let s = &[0x00; 4][..]; //Slice of any value + const MAGIC_TEST: &[u32] = &[4, 5, 6, 7]; //Const slice to pattern match with + match s { + MAGIC_TEST => (), + [0x00, 0x00, 0x00, 0x00] => (), + [4, 5, 6, 7] => (), //~ ERROR unreachable pattern + _ => (), + } + match s { + [0x00, 0x00, 0x00, 0x00] => (), + MAGIC_TEST => (), + [4, 5, 6, 7] => (), //~ ERROR unreachable pattern + _ => (), + } + match s { + [0x00, 0x00, 0x00, 0x00] => (), + [4, 5, 6, 7] => (), + MAGIC_TEST => (), //~ ERROR unreachable pattern + _ => (), + } + const FOO: [u32; 1] = [4]; + match [99] { + [0x00] => (), + [4] => (), + FOO => (), //~ ERROR unreachable pattern + _ => (), + } +} |