Review and rebasing changes

1 files changed, 29 insertions, 0 deletions

diff --git a/src/libcollections/string.rs b/src/libcollections/string.rs
index 206e392f664..1032a504330 100644
--- a/src/libcollections/string.rs
+++ b/src/libcollections/string.rs
@@ -927,6 +927,7 @@ impl<S: Str> Add<S, String> for String {
     }
 }
 
+#[cfg(stage0)]
 impl ops::Slice<uint, str> for String {
     #[inline]
     fn as_slice_<'a>(&'a self) -> &'a str {
@@ -949,6 +950,34 @@ impl ops::Slice<uint, str> for String {
     }
 }
 
+#[cfg(not(stage0))]
+#[inline]
+fn str_to_slice<'a, U: Str>(this: &'a U) -> &'a str {
+    this.as_slice()
+}
+#[cfg(not(stage0))]
+impl ops::Slice<uint, str> for String {
+    #[inline]
+    fn as_slice<'a>(&'a self) -> &'a str {
+        str_to_slice(self)
+    }
+
+    #[inline]
+    fn slice_from<'a>(&'a self, from: &uint) -> &'a str {
+        self[][*from..]
+    }
+
+    #[inline]
+    fn slice_to<'a>(&'a self, to: &uint) -> &'a str {
+        self[][..*to]
+    }
+
+    #[inline]
+    fn slice<'a>(&'a self, from: &uint, to: &uint) -> &'a str {
+        self[][*from..*to]
+    }
+}
+
 /// Unsafe operations
 #[unstable = "waiting on raw module conventions"]
 pub mod raw {