// 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. #[link(name = "static_methods_crate", vers = "0.1")]; #[crate_type = "lib"]; pub trait read { static fn readMaybe(s: ~str) -> Option; } impl int: read { static fn readMaybe(s: ~str) -> Option { int::from_str(s) } } impl bool: read { static fn readMaybe(s: ~str) -> Option { match s { ~"true" => Some(true), ~"false" => Some(false), _ => None } } } pub fn read(s: ~str) -> T { match read::readMaybe(s) { Some(x) => x, _ => fail ~"read failed!" } }