[rustc.git] / src / test / run-pass / const-fn-method.rs

// Copyright 2012 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.

#![feature(const_fn)]

struct Foo { value: u32 }

impl Foo {
    const fn new() -> Foo {
        Foo { value: 22 }
    }
}

const FOO: Foo = Foo::new();

pub fn main() {
    assert_eq!(FOO.value, 22);
    let _: [&'static str; Foo::new().value as usize] = ["hey"; 22];
}
Commit	Line	Data
62682a34	1	// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
223e47cc LB	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
62682a34 SL	11	#![feature(const_fn)]
	12
	13	struct Foo { value: u32 }
223e47cc	14
62682a34 SL	15	impl Foo {
	16	const fn new() -> Foo {
	17	Foo { value: 22 }
	18	}
223e47cc LB	19	}
223e47cc LB	20
62682a34 SL	21	const FOO: Foo = Foo::new();
62682a34 SL	22
223e47cc	23	pub fn main() {
62682a34	24	assert_eq!(FOO.value, 22);
92a42be0	25	let _: [&'static str; Foo::new().value as usize] = ["hey"; 22];
223e47cc	26	}