new、delete、new[] 与 delete[] | C++

本章覆盖：dynamic allocation；`new`；`delete`；`new[]`；`delete[]`；constructor / destructor；allocation failure；mismatched delete；memory leak；exception safety；普通业务代码应优先 RAII / smart pointer / container，而不是直接 new/delete。

本章知识点

  • dynamic allocation
  • new
  • delete
  • new[]
  • delete[]
  • constructor / destructor
  • allocation failure
  • mismatched delete
  • memory leak
  • exception safety
  • 普通业务代码应优先 RAII / smart pointer / container，而不是直接 new/delete