contains in c++ map
if (m.count(key)) // key exists if (m.find(key) != m.end() ) // key exists if (m.contains(key)) // C++ 20 // key exists
cpp map contains
if (m.count(key)) // key exists
Source: stackoverflow.com
if (m.count(key)) // key exists if (m.find(key) != m.end() ) // key exists if (m.contains(key)) // C++ 20 // key exists
if (m.count(key)) // key exists