c++ chack if map has key code example

Example 1: map in c++ find whether key exists

if ( m.find("f") == m.end() ) {
  // not found
} else {
  // found
}

Example 2: c++ map key exists

if ( !(myMap.find("key") == myMap.end()) ) {	// "key" exists	
  
} else {	// not found	
  
}