use std::marker::PhantomData; //@ has useless_lifetime_bound/struct.Scope.html //@ !has - '//*[@class="rust struct"]' "'env: 'env" pub struct Scope<'env> { _marker: PhantomData<&'env mut &'env ()>, } //@ has useless_lifetime_bound/struct.Scope.html //@ !has - '//*[@class="rust struct"]' "T: 'a + 'a" pub struct SomeStruct<'a, T: 'a> { _marker: PhantomData<&'a T>, }