From: Devi Web Development [mailto:devi.webmaster / gmail.com] 
# > compare:
# >    a3 = a1.select { |e| e.in? a2}
# >
# I really don't like that proposal. It's not a property of e 
# that it is in a2, its a property of a2 that it contains e.

pls enlighten my poor brain :(

i just want to ask if e is in a2. same way like i want to ask eg if e==2  ...  in fact, i find #in? so generic...

or maybe you want a keyword only like msbasic's 

    e in a2

?

kind regards -botp