src/test/ui/closures/issue-78720.rs

   1 fn server() -> impl {
   2 //~^ ERROR at least one trait must be specified
   3     ().map2(|| "")
   4 }
   5
   6 trait FilterBase2 {
   7     fn map2<F>(self, f: F) -> Map2<F> {}
   8     //~^ ERROR mismatched types
   9     //~^^ ERROR the size for values of type `Self` cannot be known at compilation time
  10 }
  11
  12 struct Map2<Segment2> {
  13     _func: F,
  14     //~^ ERROR cannot find type `F` in this scope
  15 }
  16
  17 impl<F> FilterBase2 for F {}
  18
  19 fn main() {}