src/test/ui/traits/object/vs-lifetime.rs

   1 // A few contrived examples where lifetime should (or should not) be parsed as an object type.
   2 // Lifetimes parsed as types are still rejected later by semantic checks.
   3
   4 struct S<'a, T>(&'a u8, T);
   5
   6 fn main() {
   7     // `'static` is a lifetime argument, `'static +` is a type argument
   8     let _: S<'static, u8>;
   9     let _: S<'static, dyn 'static +>;
  10     //~^ at least one trait is required for an object type
  11     let _: S<'static, 'static>;
  12     //~^ ERROR this struct takes 1 lifetime argument but 2 lifetime arguments were supplied
  13     //~| ERROR this struct takes 1 generic argument but 0 generic arguments were supplied
  14     let _: S<dyn 'static +, 'static>;
  15     //~^ ERROR type provided when a lifetime was expected
  16     //~| ERROR at least one trait is required for an object type
  17 }