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rustc_const_eval: support all unit enum variants.

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This commit is contained in:
Eduard-Mihai Burtescu 2017-04-19 15:16:19 +03:00
parent 0ff828baa0
commit 8054377f8f
13 changed files with 180 additions and 67 deletions
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11
src/test/compile-fail/const-pattern-not-const-evaluable.rs
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@ -10,21 +10,22 @@
#![feature(const_fn)]
#[derive(PartialEq, Eq)]
enum Cake {
BlackForest,
Marmor,
}
use Cake::*;
const BOO: (Cake, Cake) = (Marmor, BlackForest);
struct Pair<A, B>(A, B);
const BOO: Pair<Cake, Cake> = Pair(Marmor, BlackForest);
//~^ ERROR: constant evaluation error [E0080]
//~| unimplemented constant expression: enum variants
//~| unimplemented constant expression: tuple struct constructors
const FOO: Cake = BOO.1;
const fn foo() -> Cake {
Marmor
//~^ ERROR: constant evaluation error [E0080]
//~| unimplemented constant expression: enum variants
}
const WORKS: Cake = Marmor;
@ -34,7 +35,7 @@ const GOO: Cake = foo();
fn main() {
match BlackForest {
FOO => println!("hi"), //~ NOTE: for pattern here
GOO => println!("meh"), //~ NOTE: for pattern here
GOO => println!("meh"),
WORKS => println!("möp"),
_ => println!("bye"),
}