src/test/ui/feature-gates/feature-gate-impl_trait_in_bindings.rs

   1 const FOO: impl Copy = 42;
   2 //~^ ERROR `impl Trait` not allowed
   3
   4 static BAR: impl Copy = 42;
   5 //~^ ERROR `impl Trait` not allowed
   6
   7 fn main() {
   8     let foo = impl Copy = 42;
   9 //~^ ERROR expected expression, found keyword `impl`
  10     let foo: impl Copy = 42;
  11 }