// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(const_fn)] enum Cake { BlackForest, Marmor, } use Cake::*; const BOO: (Cake, Cake) = (Marmor, BlackForest); //~^ ERROR: constant evaluation error: unimplemented constant expression: enum variants [E0471] const FOO: Cake = BOO.1; const fn foo() -> Cake { Marmor //~ ERROR: constant evaluation error: unimplemented constant expression: enum variants //~^ ERROR: unimplemented constant expression: enum variants } const WORKS: Cake = Marmor; const GOO: Cake = foo(); fn main() { match BlackForest { FOO => println!("hi"), //~ NOTE: in pattern here GOO => println!("meh"), //~ NOTE: in pattern here WORKS => println!("möp"), _ => println!("bye"), } }