1 files changed, 38 insertions, 0 deletions
diff --git a/src/libcore/owned.rs b/src/libcore/owned.rs
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+// 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 <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.
+
+//! Operations on unique pointer types
+
+// FIXME: this module should not exist in libcore. It must currently because the
+//        Box implementation is quite ad-hoc in the compiler. Once there is
+//        proper support in the compiler this type will be able to be defined in
+//        its own module.
+
+/// A value that represents the global exchange heap. This is the default
+/// place that the `box` keyword allocates into when no place is supplied.
+///
+/// The following two examples are equivalent:
+///
+///     let foo = box(HEAP) Bar::new(...);
+///     let foo = box Bar::new(...);
+#[lang="exchange_heap"]
+#[cfg(not(test))]
+pub static HEAP: () = ();
+
+#[cfg(test)]
+pub static HEAP: () = ();
+
+/// A type that represents a uniquely-owned value.
+#[lang="owned_box"]
+#[cfg(not(test))]
+pub struct Box<T>(*T);
+
+#[cfg(test)]
+pub struct Box<T>(*T);