// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. fn foo(s: &~str) -> bool { match s { &~"kitty" => true, _ => false } } fn main() { assert foo(&~"kitty"); assert !foo(&~"gata"); }