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

I've got an evil solution!

#define vertex first
#define edge second

Although as an evil solution it will doubtless cause great trauma and difficult to diagnose compilation problems when you accidentally use those words elsewhere.

Added for completeness.

Can't believe nobody else has suggested this.