On Wed, Aug 21, 2013 at 12:17:43PM +0200, Panicz Maciej Godek wrote: > You're right, but it only works if you want to export only one symbol > from a lexical scope. If you wanted a few procedures accessing > a single scope, you'd either need to use the solution with 'set!', > or -- as Taylan suggested -- have a "define-values" form.
Yes, but was that the OP's question? > Actually, I think should also be possible to write a "define-values" > macro using the method I presented [... snip ...] > but somehow we need to generate identifiers for symbol1 symbol2 ... > (here I wrote symbolically value1 value2 ..., but I'd appreciate if someone > more competent could provide a syntax-rules-based solution) Maybe it's time to point out that this question is in the Scheme-FAQ ;-) [http://community.schemewiki.org/?scheme-faq-language] - Section "Is there a way to define top-level closures?" (sorry, bad webdesign, no wa to link directlyto the topic). The answer not only mentions 'define-values but also links to an implementation: [http://community.schemewiki.org/?scheme-faq-macros#multidefine] that uses 'syntax-rules HTH RalfD
