warning: the following explicit lifetimes could be elided: 'a --> src/proto/single/mutation.rs:81:6 | 81 | impl<'a> Filter<'_> { | ^^ ... 95 | pub fn builder() -> FilterBuilder<'a> { | ^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes help: elide the lifetimes | 81 ~ impl Filter<'_> { 82 | /// Creates an empty filter. ... 94 | /// Creates a new builder for a [`Filter`]. 95 ~ pub fn builder() -> FilterBuilder<'_> { |