1 files changed, 19 insertions, 0 deletions
diff --git a/src/libstd/sys_common/wtf8.rs b/src/libstd/sys_common/wtf8.rs
index 0a94ff1e958..1d61181a4ee 100644
--- a/src/libstd/sys_common/wtf8.rs
+++ b/src/libstd/sys_common/wtf8.rs
@@ -340,6 +340,12 @@ impl Wtf8Buf {
             }
         }
     }
+
+    /// Converts this `Wtf8Buf` into a boxed `Wtf8`.
+    #[inline]
+    pub fn into_box(self) -> Box<Wtf8> {
+        unsafe { mem::transmute(self.bytes.into_boxed_slice()) }
+    }
 }
 
 /// Create a new WTF-8 string from an iterator of code points.
@@ -583,6 +589,19 @@ impl Wtf8 {
             _ => None
         }
     }
+
+    /// Boxes this `Wtf8`.
+    #[inline]
+    pub fn into_box(&self) -> Box<Wtf8> {
+        let boxed: Box<[u8]> = self.bytes.into();
+        unsafe { mem::transmute(boxed) }
+    }
+
+    /// Creates a boxed, empty `Wtf8`.
+    pub fn empty_box() -> Box<Wtf8> {
+        let boxed: Box<[u8]> = Default::default();
+        unsafe { mem::transmute(boxed) }
+    }
 }