// 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. struct Foo; trait HasNum { const NUM: isize; } impl HasNum for Foo { const NUM: isize = 1; } fn main() { assert!(match 2 { Foo::NUM ... 3 => true, _ => false, }); assert!(match 0 { -1 ... ::NUM => true, _ => false, }); assert!(match 1 { ::NUM ... ::NUM => true, _ => false, }); }