pub static REDUNDANT_LIFETIMES: &Lint
Expand description
The redundant_lifetimes
lint detects lifetime parameters that are
redundant because they are equal to another named lifetime.
§Example
ⓘ
#[deny(redundant_lifetimes)]
// `'a = 'static`, so all usages of `'a` can be replaced with `'static`
pub fn bar<'a: 'static>() {}
// `'a = 'b`, so all usages of `'b` can be replaced with `'a`
pub fn bar<'a: 'b, 'b: 'a>() {}
{{produces}}
§Explanation
Unused lifetime parameters may signal a mistake or unfinished code. Consider removing the parameter.