tests/ui/associated-consts/associated-const-type-parameter-arms.rs

   1 pub enum EFoo { A, B, C, D }
   2
   3 pub trait Foo {
   4     const X: EFoo;
   5 }
   6
   7 struct Abc;
   8
   9 impl Foo for Abc {
  10     const X: EFoo = EFoo::B;
  11 }
  12
  13 struct Def;
  14 impl Foo for Def {
  15     const X: EFoo = EFoo::D;
  16 }
  17
  18 pub fn test<A: Foo, B: Foo>(arg: EFoo) {
  19     match arg {
  20         A::X => println!("A::X"),
  21         //~^ error: associated consts cannot be referenced in patterns [E0158]
  22         B::X => println!("B::X"),
  23         //~^ error: associated consts cannot be referenced in patterns [E0158]
  24         _ => (),
  25     }
  26 }
  27
  28 fn main() {
  29 }