Index: compiled/String.h
===================================================================
--- a/compiled/String.h
+++ b/compiled/String.h
@@ -319,16 +319,29 @@
   }
 
   ~OwnedString()
   {
     if (mBuf)
       delete[] mBuf;
   }
 
+  void reset(const String& str)
+  {
+    *this = str;
+  }
+
+  void erase()
+  {
+    if (mBuf)
+      delete[] mBuf;
+    mBuf = nullptr;
+    mLen = DELETED;
+  }
+
   OwnedString& operator=(const String& str)
   {
     *this = OwnedString(str);
     return *this;
   }
 
   OwnedString& operator=(const OwnedString& str)
   {