C++ 运算符详解：m++、--m、+m、-m 实例解析

m = 10\nm++ --> m = 11\n- - - (ignore this line)\nm++ --> m = 12\n+ + + (ignore this line)\nm - m --> 12 - 12 = 0\n- - (ignore this line)\n+ m++ --> 0 + 12 = 12\n- m - - --> 12 - (-12) = 24\n+ m++ --> 24 + 12 = 36\n- m - - --> 36 - (-12) = 48\n+ m++ --> 48 + 12 = 60