---

yaml
---
r: 223833
b: refs/heads/beta
c: eb99f0e
h: refs/heads/master
i:
  223831: af15de7
v: v3

Author: SimonSapin

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: 7469914e96a511487e8248d2f8a583befb02149f
+refs/heads/beta: eb99f0e4207915f4cb4246d9d6bc6109fa04400c
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: 938f5d7af401e2d8238522fed4a612943b6e77fd
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/src/libcollections/str.rs

@@ -549,7 +549,7 @@ impl str {
     /// Takes a bytewise mutable slice from a string.
     ///
     /// Same as `slice_unchecked`, but works with `&mut str` instead of `&str`.
-    #[stable(feature = "derefmut_for_string", since = "1.2.0")]
+    #[unstable(feature = "str_slice_mut", reason = "recently added")]
     pub unsafe fn slice_mut_unchecked(&mut self, begin: usize, end: usize) -> &mut str {
         core_str::StrExt::slice_mut_unchecked(self, begin, end)
     }
@@ -789,12 +789,14 @@ impl str {
     /// assert_eq!(b, " 老虎 Léopard");
     /// ```
     #[inline]
+    #[unstable(feature = "str_split_at", reason = "recently added")]
     pub fn split_at(&self, mid: usize) -> (&str, &str) {
         core_str::StrExt::split_at(self, mid)
     }
 
     /// Divide one mutable string slice into two at an index.
     #[inline]
+    #[unstable(feature = "str_split_at", reason = "recently added")]
     pub fn split_at_mut(&mut self, mid: usize) -> (&mut str, &mut str) {
         core_str::StrExt::split_at_mut(self, mid)
     }