| // 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| //! The Default trait |
| |
| /// 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<T: Default + 'static> Default for @mut T { |
| fn default() -> @mut T { @mut Default::default() } |
| } |
| |
| impl<T: Default + 'static> Default for @T { |
| fn default() -> @T { @Default::default() } |
| } |
| |
| impl<T: Default> Default for ~T { |
| fn default() -> ~T { ~Default::default() } |
| } |
