src/test/ui/run-pass/consts/const-fn-method.rs

   1 // Copyright 2012 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 // run-pass
  12 #![feature(min_const_fn)]
  13
  14 struct Foo { value: u32 }
  15
  16 impl Foo {
  17     const fn new() -> Foo {
  18         Foo { value: 22 }
  19     }
  20 }
  21
  22 const FOO: Foo = Foo::new();
  23
  24 pub fn main() {
  25     assert_eq!(FOO.value, 22);
  26     let _: [&'static str; Foo::new().value as usize] = ["hey"; 22];
  27 }