foo.cc: In destructor 'name::~name()':
foo.cc:13:35: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   13 |                 for (int i = 0; i < strlen(text); i++)
      |                                 ~~^~~~~~~~~~~~~~
foo.cc: In function 'int main()':
foo.cc:94:21: warning: 'persons' is used uninitialized [-Wuninitialized]
   94 |         persons->ccc();
      |         ~~~~~~~~~~~~^~
foo.cc:93:18: note: 'persons' was declared here
   93 |         Persons *persons;
      |                  ^~~~~~~

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