Method Maybe

nan.h:278–280

Allow implicit conversions from v8::Maybe to Nan::Maybe .

  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
  // Allow implicit conversions from v8::Maybe<T> to Nan::Maybe<T>.
  Maybe(const v8::Maybe<T>& that)  // NOLINT(runtime/explicit)
    : has_value_(that.IsJust())
    , value_(that.FromMaybe(T())) {}
#endif

 private: