Re: [Sbcl-help] bug (?) when using macro lambda list keywords in defun

[Pascal B. <pj...@in...>]

Berki Lukacs Tamas writes:
>=20
> The following form:
>=20
> (defun foo (&whole whole) 42)
>=20
> Yields this answer on SBCL 0.9.14 and 1.0 (on Ubuntu 6.10 without SLIME=
,
> simple using the CLI):
>=20
> debugger invoked on a SB-INT:BUG in thread #<THREAD "initial thread"
> {A8154E9}>:
>=20
>     unknown LAMBDA-LIST-KEYWORD in lambda list: &WHOLE.=20

As expected.  Why would you want to use a MACRO lambda list with deFUN?

> This is probably a bug in SBCL itself.=20

No, this is mandated by the CL specifications.

DEFUN uses ordinary lambda lists, not macro lambda lists.
http://www.lispworks.com/documentation/HyperSpec/Body/03_da.htm


=20
> The result is the same with &environment, although any other symbol
> beginning with & works.

The other symbols beginning with & are normal symbols.  (That is, all
the symbols that are not in LAMBDA-LIST-KEYWORDS).
&FOO isn't even in the CL package!



--=20
__Pascal Bourguignon__                     http://www.informatimago.com/

ATTENTION: Despite any other listing of product contents found
herein, the consumer is advised that, in actuality, this product
consists of 99.9999999999% empty space.