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Diffstat (limited to 'src/tools/clippy/src/docs/must_use_unit.txt')
| -rw-r--r-- | src/tools/clippy/src/docs/must_use_unit.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/must_use_unit.txt b/src/tools/clippy/src/docs/must_use_unit.txt new file mode 100644 index 000000000..cabbb23f8 --- /dev/null +++ b/src/tools/clippy/src/docs/must_use_unit.txt @@ -0,0 +1,13 @@ +### What it does +Checks for a `#[must_use]` attribute on +unit-returning functions and methods. + +### Why is this bad? +Unit values are useless. The attribute is likely +a remnant of a refactoring that removed the return type. + +### Examples +``` +#[must_use] +fn useless() { } +```
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