rust/src/test/run-pass/const-enum-cast.rs
Patrick Walton 30772d94b1 librustc: Forbid enum-to-float casts.
Closes #14794.

If you're casting from an enum to a float, cast through an integer
first.

[breaking-change]
2014-06-13 11:23:47 -07:00

24 lines
731 B
Rust

// Copyright 2013 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.
enum A { A1, A2 }
enum B { B1=0, B2=2 }
pub fn main () {
static c1: int = A2 as int;
static c2: int = B2 as int;
let a1 = A2 as int;
let a2 = B2 as int;
assert_eq!(c1, 1);
assert_eq!(c2, 2);
assert_eq!(a1, 1);
assert_eq!(a2, 2);
}