Static rustc_lint::unused::UNUSED_MUST_USE
source · pub static UNUSED_MUST_USE: &Lint
Expand description
The unused_must_use
lint detects unused result of a type flagged as
#[must_use]
.
§Example
fn returns_result() -> Result<(), ()> {
Ok(())
}
fn main() {
returns_result();
}
{{produces}}
§Explanation
The #[must_use]
attribute is an indicator that it is a mistake to
ignore the value. See the reference for more details.