diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/lint/unused/must-use-ops.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/lint/unused/must-use-ops.rs')
-rw-r--r-- | src/test/ui/lint/unused/must-use-ops.rs | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused/must-use-ops.rs b/src/test/ui/lint/unused/must-use-ops.rs new file mode 100644 index 000000000..3e425727e --- /dev/null +++ b/src/test/ui/lint/unused/must-use-ops.rs @@ -0,0 +1,41 @@ +// Issue #50124 - Test warning for unused operator expressions + +// check-pass + +#![warn(unused_must_use)] + +fn main() { + let val = 1; + let val_pointer = &val; + +// Comparison Operators + val == 1; //~ WARNING unused comparison + val < 1; //~ WARNING unused comparison + val <= 1; //~ WARNING unused comparison + val != 1; //~ WARNING unused comparison + val >= 1; //~ WARNING unused comparison + val > 1; //~ WARNING unused comparison + +// Arithmetic Operators + val + 2; //~ WARNING unused arithmetic operation + val - 2; //~ WARNING unused arithmetic operation + val / 2; //~ WARNING unused arithmetic operation + val * 2; //~ WARNING unused arithmetic operation + val % 2; //~ WARNING unused arithmetic operation + +// Logical Operators + true && true; //~ WARNING unused logical operation + false || true; //~ WARNING unused logical operation + +// Bitwise Operators + 5 ^ val; //~ WARNING unused bitwise operation + 5 & val; //~ WARNING unused bitwise operation + 5 | val; //~ WARNING unused bitwise operation + 5 << val; //~ WARNING unused bitwise operation + 5 >> val; //~ WARNING unused bitwise operation + +// Unary Operators + !val; //~ WARNING unused unary operation + -val; //~ WARNING unused unary operation + *val_pointer; //~ WARNING unused unary operation +} |