On Sun, Feb 17, 2008 at 12:03:56AM -0800, SJS wrote:
begin quoting [EMAIL PROTECTED] as of Sat, Feb 16, 2008 at 11:56:12PM -0800:
Negating a symbol such as -x seems "un-Scheme" like.
I would think that proper prefix notation would demand (- x).
Isn't that right?
Surely (- 0 x) would be more consistent.
Well, not given that the '-' function accepts 1 or more arguments. If it's
going to accept more than 2, it might as well accept 1, and do the
reasonable thing.
It also works with division:
(/ 3) => 1/3
and yes, that's 1/3 as a rational number, provided your scheme supports
rational numbers.
David
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