On Wed 27 Feb 2013 16:08, Andy Wingo <wi...@pobox.com> writes: > Here is a Guile 2-compatible version: > > (cond-expand > (guile-2) ; nothing > (else ; guile < 2.0 > (define-macro (define-once sym exp) > `(define ,sym (if (module-locally-bound? ',sym) ,sym ,val)))))
Sorry, thinko+typo. Should be: (cond-expand (guile-2) ; nothing (else ; guile < 2.0 (define-macro (define-once sym exp) `(define ,sym (if (module-locally-bound? (current-module) ',sym) ,sym ,exp))))) -- http://wingolog.org/