std::experimental::ranges::IndirectlyMovable
来自cppreference.com
                    
                                        
                    < cpp | experimental | ranges
                    
                                                            
                    |   template <class In, class Out> concept bool IndirectlyMovable =  | 
(范围 TS) | |
| 本节未完成 原因:添加描述和额外通告  |