// Copyright 2013 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. //! The `Default` trait for types which may have meaningful default values /// A trait that types which have a useful default value should implement. pub trait Default { /// Return the "default value" for a type. fn default() -> Self; } impl Default for @T { fn default() -> @T { @Default::default() } } impl Default for ~T { fn default() -> ~T { ~Default::default() } }