how to erase entries in a map on-the-fly ?

[aryan1]

Hi All,

I think that it is not legitimate to erase entries in a map in the following way:

    MyMap temp;

    //fill in temp here

    MyMap::iterator it; //MyMap is a typedef of STL map

    for(it = temp.begin(); it != temp.end(); it++)
    {
        if( condition )
        {
             temp.erase(it->first); //erase by key
        }
    }

The purpose is to transform the above code into one so that entries meeting a certain condition can be erased from map on one pass.

Thanks.