World serialization done (not well-tested yet)

luprex/core/cpp/luasnap.hpp

@@ -20,7 +20,6 @@
 class LuaSnap {
 private:
     lua_State *state_;
-    StreamBuffer snapshot_;
     
 public:
     LuaSnap();
@@ -37,22 +36,6 @@ public:
     // Restore the the lua interpreter given a serialized state.
     //
     void deserialize(StreamBuffer *sb);
-
-    // Return true if there's a saved snapshot.
-    //
-    bool have_snapshot() const;
-
-    // snapshot the state of the lua interpreter.
-    //
-    // If there is already a snapshot, this panics.
-    //
-    void snapshot();
-
-    // Rollback the lua intepreter to the snapshotted state.
-    //
-    // If there is no snapshot, this panics.
-    //
-    void rollback();
 };