Example: https://doc.rust-lang.org/nightly/std/slice/struct.Iter.html ``` pub struct Iter<'a, T> where T: 'a + 'a, { /* fields omitted */ } ``` Behavior is observable on stable and nightly. Clearly `'a + 'a` can be shortened to just `'a`.
Example: https://doc.rust-lang.org/nightly/std/slice/struct.Iter.html
Behavior is observable on stable and nightly.
Clearly
'a + 'acan be shortened to just'a.