diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/must_use_unit.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/must_use_unit.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/must_use_unit.rs b/src/tools/clippy/tests/ui/must_use_unit.rs new file mode 100644 index 000000000..8a395dc28 --- /dev/null +++ b/src/tools/clippy/tests/ui/must_use_unit.rs @@ -0,0 +1,26 @@ +//run-rustfix +// aux-build:macro_rules.rs + +#![warn(clippy::must_use_unit)] +#![allow(clippy::unused_unit)] + +#[macro_use] +extern crate macro_rules; + +#[must_use] +pub fn must_use_default() {} + +#[must_use] +pub fn must_use_unit() -> () {} + +#[must_use = "With note"] +pub fn must_use_with_note() {} + +fn main() { + must_use_default(); + must_use_unit(); + must_use_with_note(); + + // We should not lint in external macros + must_use_unit!(); +} |