COLON Overloaded Colon Operator

Section: Object Oriented Programming

Usage

This is a method that is invoked in one of two forms, either the two argument version 
  c = colon(a,b)

which is also called using the notation 

  c = a:b

and the three argument version 

  d = colon(a,b,c)

which is also called using the notation 

  d = a:b:c