//Value func (val_ *Value) IsUndefined() bool { return val_.hasJsType(isUndefined, func(self unsafe.Pointer) bool { return C.V8_Value_IsUndefined(self) == 1 }) }
func (v *Value) IsUndefined() bool { return v.checkJsType(isUndefined, func(self unsafe.Pointer) bool { return C.V8_Value_IsUndefined(self) == 1 }) }