How value_type of map class is used?

[yleemci]

I am not sure why value_type is needed for map object. operator [] can be used to populate a map.


map <int, int> mInt;

mInt.insert ( map <int, int> :: value_type ( 1, 10 ) );

mInt[ 1 ] = 10;;

[Trinithis]

http://www.cppreference.com/wiki/stl/map/insert