I haven't seen that wrriten before, but maybe I've heard it. What I usually read is that in Scala "functions are first-class citizens" and that Scala provides "higher order functions." It seems understandable to me that people would get confused, like people who say "run the gambit" or "too big for your bridges."

is a composer and photographer from Detroit, Michigan. He has been working on a Java program to display certain mathematical diagrams.