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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/slice-pattern-const-3.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/slice-pattern-const-3.rs')
-rw-r--r-- | src/test/ui/pattern/usefulness/slice-pattern-const-3.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/pattern/usefulness/slice-pattern-const-3.rs b/src/test/ui/pattern/usefulness/slice-pattern-const-3.rs new file mode 100644 index 000000000..2ca8323f0 --- /dev/null +++ b/src/test/ui/pattern/usefulness/slice-pattern-const-3.rs @@ -0,0 +1,31 @@ +#![deny(unreachable_patterns)] + +fn main() { + let s = &["0x00"; 4][..]; //Slice of any value + const MAGIC_TEST: &[&str] = &["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: [&str; 1] = ["boo"]; + match ["baa"] { + ["0x00"] => (), + ["boo"] => (), + FOO => (), //~ ERROR unreachable pattern + _ => (), + } +} |