[PRL] laziness

[Paul A. Steckler]

> So why is this a big win?  In Scheme, at least, if expressions look
> exactly like function calls anyway; the only limitation is that I can't
> treat `if' as a value.  But you'd be surprised how rarely I want to do
> that anyway (as opposed, say, to wanting to treat `and' and `or' as
> values).

In Haskell, of course, `if' is syntax, not a function,
because of the `then' and `else' tokens.  You could 
write a lambda wrapper around `if', if that's what 
you really want.

-- Paul