[Gllug] problems with comm

[Nix]

On Mon, 18 Feb 2002, Richard Cohen yowled:
> BTW - thanks for teaching me a new command.  I've never come across comm
> before, in fact, I think I may have implmented it by hand once or twice...
>:-)

It's astoundingly useful; you can use comm to implement both filter-in-
from-list and filter-out-from-list with great ease, without relying on
the hugely slow for loops.

-- 
`The classical music makes him feel tranquil and loved so he performs
 regularly. What a life for a guy. He gets to make love every day with
 an artificial cow.'

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