tests/ui/lint/unused/issue-105061.rs

   1 #![warn(unused)]
   2 #![deny(warnings)]
   3
   4 struct Inv<'a>(&'a mut &'a ());
   5
   6 trait Trait {}
   7 impl Trait for (for<'a> fn(Inv<'a>),) {}
   8
   9
  10 fn with_bound()
  11 where
  12     ((for<'a> fn(Inv<'a>)),): Trait, //~ ERROR unnecessary parentheses around type
  13 {}
  14
  15 fn main() {
  16     with_bound();
  17 }