Ignore implied_bounds_in_impls clippy lint

    error: this bound is already specified as the supertrait of `DoubleEndedIterator`
      --> src/range.rs:58:15
       |
    58 |     ) -> impl Iterator<Item = char> + DoubleEndedIterator + ExactSizeIterator + 'a {
       |               ^^^^^^^^^^^^^^^^^^^^^
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implied_bounds_in_impls
    help: try removing this bound
       |
    58 -     ) -> impl Iterator<Item = char> + DoubleEndedIterator + ExactSizeIterator + 'a {
    58 +     ) -> impl DoubleEndedIterator + ExactSizeIterator + 'a {
       |

src/lib.rs

@@ -46,6 +46,7 @@
     clippy::cloned_instead_of_copied, // https://github.com/rust-lang/rust-clippy/issues/7127
     clippy::collapsible_else_if,
     clippy::comparison_chain,
+    clippy::implied_bounds_in_impls,
     clippy::items_after_test_module, // https://github.com/rust-lang/rust-clippy/issues/10713
     clippy::let_underscore_untyped,
     clippy::match_same_arms,