Introduction - If you have any usage issues, please Google them yourself
About C++ standard library, including the following: 1.C++ standard library- the function object 2.pair-min-max-swap 3.std_deque double-ended queue container 4.std_map as an associative array 5.std_set as a ordered set 6. container type 7. Use std_list as a linked list 8. use of vector simplify object management