src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs

   1 // revisions: min_tait full_tait
   2 #![feature(min_type_alias_impl_trait)]
   3 #![cfg_attr(full_tait, feature(type_alias_impl_trait))]
   4 //[full_tait]~^ WARN incomplete
   5
   6 fn main() {
   7     let y = 42;
   8     let x = wrong_generic(&y);
   9     let z: i32 = x; //~ ERROR mismatched types
  10 }
  11
  12 type WrongGeneric<T> = impl 'static;
  13 //~^ ERROR the parameter type `T` may not live long enough
  14 //~| ERROR: at least one trait must be specified
  15
  16 fn wrong_generic<T>(t: T) -> WrongGeneric<T> {
  17     t
  18 }