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1 | // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | #![feature(const_fn)] | |
12 | ||
13 | enum Cake { | |
14 | BlackForest, | |
15 | Marmor, | |
16 | } | |
17 | use Cake::*; | |
18 | ||
19 | const BOO: (Cake, Cake) = (Marmor, BlackForest); | |
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20 | //~^ ERROR: constant evaluation error [E0080] |
21 | //~| unimplemented constant expression: enum variants | |
9cc50fc6 SL |
22 | const FOO: Cake = BOO.1; |
23 | ||
24 | const fn foo() -> Cake { | |
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25 | Marmor |
26 | //~^ ERROR: constant evaluation error [E0080] | |
27 | //~| unimplemented constant expression: enum variants | |
28 | //~^^^ ERROR: constant evaluation error [E0080] | |
29 | //~| unimplemented constant expression: enum variants | |
9cc50fc6 SL |
30 | } |
31 | ||
32 | const WORKS: Cake = Marmor; | |
33 | ||
5bcae85e | 34 | const GOO: Cake = foo(); //~ NOTE for expression here |
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35 | |
36 | fn main() { | |
37 | match BlackForest { | |
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38 | FOO => println!("hi"), //~ NOTE: for pattern here |
39 | GOO => println!("meh"), //~ NOTE: for pattern here | |
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40 | WORKS => println!("möp"), |
41 | _ => println!("bye"), | |
42 | } | |
43 | } |