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Diffstat (limited to 'src/libstd/reference.rs')
| -rw-r--r-- | src/libstd/reference.rs | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/libstd/reference.rs b/src/libstd/reference.rs new file mode 100644 index 00000000000..91f03f02892 --- /dev/null +++ b/src/libstd/reference.rs @@ -0,0 +1,61 @@ +// Copyright 2012-2013 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. + +//! Utilities for references + +#[cfg(not(test))] +use prelude::*; + +// Equality for region pointers +#[cfg(not(test))] +impl<'a, T: Eq> Eq for &'a T { + #[inline] + fn eq(&self, other: & &'a T) -> bool { + *(*self) == *(*other) + } + #[inline] + fn ne(&self, other: & &'a T) -> bool { + *(*self) != *(*other) + } +} + +// Comparison for region pointers +#[cfg(not(test))] +impl<'a, T: Ord> Ord for &'a T { + #[inline] + fn lt(&self, other: & &'a T) -> bool { + *(*self) < *(*other) + } + #[inline] + fn le(&self, other: & &'a T) -> bool { + *(*self) <= *(*other) + } + #[inline] + fn ge(&self, other: & &'a T) -> bool { + *(*self) >= *(*other) + } + #[inline] + fn gt(&self, other: & &'a T) -> bool { + *(*self) > *(*other) + } +} + +#[cfg(not(test))] +impl<'a, T: TotalOrd> TotalOrd for &'a T { + #[inline] + fn cmp(&self, other: & &'a T) -> Ordering { (**self).cmp(*other) } +} + +#[cfg(not(test))] +impl<'a, T: TotalEq> TotalEq for &'a T { + #[inline] + fn equals(&self, other: & &'a T) -> bool { (**self).equals(*other) } +} + |
