Tag: C++ : Map Tutorial Part 3: Using User defined class objects as keys in std::map

In this article we will discuss how to use User defined classes as key in std::map. By default std::map uses “operator <” as sorting criteria for keys. For default data types like int and std::string etc, operator < is available by default but for User defined classes operator < is not available by default. Advertisements …

C++ : Map Tutorial Part 3: Using User defined class objects as keys in std::mapRead More