clang-tools-extra/docs/clang-tidy/checks/readability/delete-null-pointer.rst

   1 .. title:: clang-tidy - readability-delete-null-pointer
   2
   3 readability-delete-null-pointer
   4 ===============================
   5
   6 Checks the ``if`` statements where a pointer's existence is checked and then deletes the pointer.
   7 The check is unnecessary as deleting a null pointer has no effect.
   8
   9 .. code:: c++
  10
  11   int *p;
  12   if (p)
  13     delete p;