error: lifetime may not live long enough --> $DIR/constant-in-expr-trait-item-1.rs:10:5 | LL | fn foo<'a>(_: &'a u32) -> &'static u32 { | -- lifetime `'a` defined here LL | <() as Foo<'a>>::C | ^^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static` error: aborting due to previous error