Restore `char::escape_default` and add `char::escape` instead

2 files changed, 9 insertions, 0 deletions

diff --git a/src/libcollections/lib.rs b/src/libcollections/lib.rs
index f027d074cb6..333219bc5e5 100644
--- a/src/libcollections/lib.rs
+++ b/src/libcollections/lib.rs
@@ -33,6 +33,7 @@
 #![feature(allow_internal_unstable)]
 #![feature(box_patterns)]
 #![feature(box_syntax)]
+#![feature(char_escape)]
 #![feature(core_intrinsics)]
 #![feature(dropck_parametricity)]
 #![feature(fmt_internals)]
diff --git a/src/libcollections/str.rs b/src/libcollections/str.rs
index 55308a46f0a..a63ea9d3ec7 100644
--- a/src/libcollections/str.rs
+++ b/src/libcollections/str.rs
@@ -1697,6 +1697,14 @@ impl str {
         return s;
     }
 
+    /// Escapes each char in `s` with `char::escape`.
+    #[unstable(feature = "str_escape",
+               reason = "return type may change to be an iterator",
+               issue = "27791")]
+    pub fn escape(&self) -> String {
+        self.chars().flat_map(|c| c.escape()).collect()
+    }
+
     /// Escapes each char in `s` with `char::escape_default`.
     #[unstable(feature = "str_escape",
                reason = "return type may change to be an iterator",