> On Sep 16, 2018, at 2:13 PM, Kevin Forchione <lyss...@gmail.com > <mailto:lyss...@gmail.com>> wrote: > > Thanks! That’s just what I wanted. Is there a way in Racket to determine if a > quoted symbol has an associated procedure?
#lang racket (require rackunit) (define-syntax (bound-to-proc? stx) (syntax-case stx () [(_ 'x) (and (identifier? #'x) (identifier-binding #'x)) #'(procedure? x)] [_ #'#f])) (define bound-to-proc +) (define not-bound-to-proc 42) (check-true (bound-to-proc? 'bound-to-proc)) (check-false (bound-to-proc? 'not-bound-to-proc)) -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.