Anton van Straaten scripsit:
> BTW, I'm curious, when you wrote "the unspecified value" in that
> sentence, whether you did so explicitly in the R6RS sense, or whether
> that just seemed the natural thing to write.
I used it consciously in the R6RS sense: that is, as a unique value which
is returned by Chicken wherever R5RS says the return value is unspecified.
It is one of the four Chicken miscellaneous values, along with (), the
eof object, and the unbound object (used internally as the value of an
unbound variable).
See
http://galinha.ucpel.tche.br/Data%20representation .
That said, I do think the expression "the unspecified value" is a
confusing one, and should be replaced by something else.
How about "the content-free value"?
--
John Cowan cowan_at_ccil.org http://ccil.org/~cowan
And now here I was, in a country where a right to say how the country should
be governed was restricted to six persons in each thousand of its population.
For the nine hundred and ninety-four to express dissatisfaction with the
regnant system and propose to change it, would have made the whole six
shudder as one man, it would have been so disloyal, so dishonorable, such
putrid black treason. --Mark Twain's Connecticut Yankee
Received on Fri Sep 22 2006 - 01:14:50 UTC