http://www.cnblogs.com/LubinLew/p/CppOperatorOverload-BinaryOperator.html
http://www.cnblogs.com/LubinLew/p/CppOperatorOverload-UnaryOperator.html
http://www.cnblogs.com/LubinLew/p/CppOperatorOverload-SpecialOperator.html
http://www.cnblogs.com/LubinLew/p/CppOperatorOverload-IOOperator.html
http://www.cnblogs.com/LubinLew/p/CppOperatorOverload-TypeCast.html
原文地址：http://www.cnblogs.com/LubinLew/p/CppOperatorOverload-Summary.html
