// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // aux-build:const_fn_lib.rs // A very basic test of const fn functionality. #![feature(const_fn)] extern crate const_fn_lib; use const_fn_lib::foo; const FOO: usize = foo(); fn main() { assert_eq!(FOO, 22); let _: [i32; foo()] = [42; 22]; }