src/test/ui/generics/generic-non-trailing-defaults.rs

   1 struct Heap;
   2
   3 struct Vec<A = Heap, T>(A, T);
   4 //~^ ERROR type parameters with a default must be trailing
   5
   6 struct Foo<A, B = Vec<C>, C>(A, B, C);
   7 //~^ ERROR type parameters with a default must be trailing
   8 //~| ERROR type parameters with a default cannot use forward declared identifiers
   9
  10 fn main() {}