ES6 Unscopables

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 871 matching lines @@
 
 /**
  * A simple Maybe type, representing an object which may or may not have a
  * value.
  */
 template<class T>
 struct Maybe {
   Maybe() : has_value(false) {}
   explicit Maybe(T t) : has_value(true), value(t) {}
   Maybe(bool has, T t) : has_value(has), value(t) {}
+  bool ToValue(T* t) {

[rossberg, 2014/08/06 09:53:02]

Can we not introduce this? Maybe intentionally is a simple struct, using this
method actually makes code more verbose and less readable.

[arv (Not doing code reviews), 2014/08/06 15:08:28]

Reverted this.

+    if (!has_value) return false;
+    *t = value;
+    return true;
+  }
 
   bool has_value;
   T value;
 };
 
 
 // Convenience wrapper.
 template <class T>
 inline Maybe<T> maybe(T t) {
   return Maybe<T>(t);
@@ skipping 5827 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_