| // 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. |
| |
| // #24947 ICE using a trait-associated const in an array size |
| |
| |
| struct Foo; |
| |
| impl Foo { |
| const SIZE: usize = 8; |
| } |
| |
| trait Bar { |
| const BAR_SIZE: usize; |
| } |
| |
| impl Bar for Foo { |
| const BAR_SIZE: usize = 12; |
| } |
| |
| #[allow(unused_variables)] |
| fn main() { |
| let w: [u8; 12] = [0u8; <Foo as Bar>::BAR_SIZE]; |
| let x: [u8; 12] = [0u8; <Foo>::BAR_SIZE]; |
| let y: [u8; 8] = [0u8; <Foo>::SIZE]; |
| let z: [u8; 8] = [0u8; Foo::SIZE]; |
| } |
