Renaming first and second of a map iterator

Question

Is there any way to rename the first and second accessor functions of a map iterator. I understand they have these names because of the underlying pair which represents the

Answer 1

If you don't need the iterator (e.g., a range-based for loop suits your purpose), then as of c++17 you can use structured bindings:

map adjacency_list;
for( auto & [ vertex, edge ] : adjacency_list )
{
    // do stuff with vertex
}