| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| |
| pub enum EFoo { A, B, C, D } |
| |
| pub trait Foo { |
| const X: EFoo; |
| } |
| |
| struct Abc; |
| |
| impl Foo for Abc { |
| const X: EFoo = EFoo::B; |
| } |
| |
| struct Def; |
| impl Foo for Def { |
| const X: EFoo = EFoo::D; |
| } |
| |
| pub fn test<A: Foo, B: Foo>(arg: EFoo) { |
| match arg { |
| A::X => println!("A::X"), |
| //~^ error: associated consts cannot be referenced in patterns [E0158] |
| B::X => println!("B::X"), |
| //~^ error: associated consts cannot be referenced in patterns [E0158] |
| _ => (), |
| } |
| } |
| |
| fn main() { |
| } |