[−][src]Static rustc_ap_rustc_session::lint::builtin::UNUSED_LIFETIMES
pub static UNUSED_LIFETIMES: &Lint
The unused_lifetimes lint detects lifetime parameters that are never
used.
Example
ⓘThis example deliberately fails to compile
#[deny(unused_lifetimes)] pub fn foo<'a>() {}
{{produces}}
Explanation
Unused lifetime parameters may signal a mistake or unfinished code. Consider removing the parameter.