Imported Upstream version 1.6.0+dfsg1

[rustc.git] / src / libcore / array.rs

diff --git a/src/libcore/array.rs b/src/libcore/array.rs
index c986914440de0ae7576d91b92c878c9d038269f3..0c5eada21655c001a8878d79b9492b784fa1e134 100644 (file)
--- a/src/libcore/array.rs
+++ b/src/libcore/array.rs
@@ -62,6 +62,38 @@ unsafe impl<T, A: Unsize<[T]>> FixedSizeArray<T> for A {
     }
 }
 
+macro_rules! __impl_slice_eq1 {
+    ($Lhs: ty, $Rhs: ty) => {
+        __impl_slice_eq1! { $Lhs, $Rhs, Sized }
+    };
+    ($Lhs: ty, $Rhs: ty, $Bound: ident) => {
+        #[stable(feature = "rust1", since = "1.0.0")]
+        impl<'a, 'b, A: $Bound, B> PartialEq<$Rhs> for $Lhs where A: PartialEq<B> {
+            #[inline]
+            fn eq(&self, other: &$Rhs) -> bool { self[..] == other[..] }
+            #[inline]
+            fn ne(&self, other: &$Rhs) -> bool { self[..] != other[..] }
+        }
+    }
+}
+
+macro_rules! __impl_slice_eq2 {
+    ($Lhs: ty, $Rhs: ty) => {
+        __impl_slice_eq2! { $Lhs, $Rhs, Sized }
+    };
+    ($Lhs: ty, $Rhs: ty, $Bound: ident) => {
+        __impl_slice_eq1!($Lhs, $Rhs, $Bound);
+
+        #[stable(feature = "rust1", since = "1.0.0")]
+        impl<'a, 'b, A: $Bound, B> PartialEq<$Lhs> for $Rhs where B: PartialEq<A> {
+            #[inline]
+            fn eq(&self, other: &$Lhs) -> bool { self[..] == other[..] }
+            #[inline]
+            fn ne(&self, other: &$Lhs) -> bool { self[..] != other[..] }
+        }
+    }
+}
+
 // macro for implementing n-ary tuple functions and operations
 macro_rules! array_impls {
     ($($N:expr)+) => {