foo.cc: In function 'int operator-(MyClass&, MyClass&)':
foo.cc:21:41: warning: unused variable 'b' [-Wunused-variable]
   21 |                 if (obj1.p(obj1)) { int b[12] = {  31,29,31,30,31,30,31,31,30,31,30,31 }; }
      |                                         ^
foo.cc:26:49: warning: unused variable 'b' [-Wunused-variable]
   26 |                         if (obj1.p(obj1)) { int b[13] = {0, 31,29,31,30,31,30,31,31,30,31,30,31 }; }
      |                                                 ^

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