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Var-free programming

shivers@cc.gatech.edu wrote:

> One way to describe why names are nice and so fundamental to so many
> notations is that names give you a way to access things multiple
> times.

Except (and I know I don't need to tell you this) Unix gives you
another nice way of doing this: `tee'.  It's "nice" modulo Unix,
namely it stuff things in files, but it suggests a natural combinator.