---

yaml
---
r: 228345
b: refs/heads/try
c: eb99f0e
h: refs/heads/master
i:
  228343: 90f4348
v: v3

Author: SimonSapin

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: aca2057ed5fb7af3f8905b2bc01f72fa001c35c8
 refs/heads/snap-stage3: 1af31d4974e33027a68126fa5a5a3c2c6491824f
-refs/heads/try: 7469914e96a511487e8248d2f8a583befb02149f
+refs/heads/try: eb99f0e4207915f4cb4246d9d6bc6109fa04400c
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try/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)
     }