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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/pattern/usefulness/match-byte-array-patterns.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/pattern/usefulness/match-byte-array-patterns.rs')
-rw-r--r-- | src/test/ui/pattern/usefulness/match-byte-array-patterns.rs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/test/ui/pattern/usefulness/match-byte-array-patterns.rs b/src/test/ui/pattern/usefulness/match-byte-array-patterns.rs new file mode 100644 index 000000000..9b6c8bd55 --- /dev/null +++ b/src/test/ui/pattern/usefulness/match-byte-array-patterns.rs @@ -0,0 +1,55 @@ +#![deny(unreachable_patterns)] + +fn main() { + let buf = &[0, 1, 2, 3]; + + match buf { + b"AAAA" => {}, + &[0x41, 0x41, 0x41, 0x41] => {} //~ ERROR unreachable pattern + _ => {} + } + + match buf { + &[0x41, 0x41, 0x41, 0x41] => {} + b"AAAA" => {}, //~ ERROR unreachable pattern + _ => {} + } + + match buf { + &[_, 0x41, 0x41, 0x41] => {}, + b"AAAA" => {}, //~ ERROR unreachable pattern + _ => {} + } + + match buf { + &[0x41, .., 0x41] => {} + b"AAAA" => {}, //~ ERROR unreachable pattern + _ => {} + } + + let buf: &[u8] = buf; + + match buf { + b"AAAA" => {}, + &[0x41, 0x41, 0x41, 0x41] => {} //~ ERROR unreachable pattern + _ => {} + } + + match buf { + &[0x41, 0x41, 0x41, 0x41] => {} + b"AAAA" => {}, //~ ERROR unreachable pattern + _ => {} + } + + match buf { + &[_, 0x41, 0x41, 0x41] => {}, + b"AAAA" => {}, //~ ERROR unreachable pattern + _ => {} + } + + match buf { + &[0x41, .., 0x41] => {} + b"AAAA" => {}, //~ ERROR unreachable pattern + _ => {} + } +} |