Hi, On Wed, 2006-02-15 at 10:02 +0800, William Xu wrote: > ps. Supposed i defined a syntax `when', if i want to check out what > `when' is, either a function, macro, or syntax, like, > > guile> when > ERROR: invalid syntax when > ABORT: (misc-error)
syntax-rules macros are not first-class objects > guile> when > #<syntax! when> acros are however Guile's macro system is, um, "evolved". As in there are some warts like this. > [I]s it also an undefined behaviour in the standards? Yup. > And, the rule of placing docstring at the first line in the definition > body, so as to be able to retrieve later by (help name), doesn't apply > to a syntax definition? Nope. Syntaxen are hard to document. There's some stuff in guile-lib for pulling docstrings out of defmacros (the ones made by define-macro), though. I prefer defmacros to syncase, fwiw. Regards, -- Andy Wingo http://wingolog.org/ _______________________________________________ Guile-user mailing list Guile-user@gnu.org http://lists.gnu.org/mailman/listinfo/guile-user
