Kieren MacMillan <kieren_macmil...@sympatico.ca> writes: > Hi David, > >> I'd use (lambda (d) (format "~@d" d)) here myself > > Good to learn that tool! > >> but it does differ in writing +0 (in case that's undesired). > > It is. > >> If one wants to avoid an unnecessary string-append, one can go >> (lambda (d) (let ((s number->string d)) >> (if (positive? s) (string-append "+" s) s))) > > I assume you’re missing a set of parentheses? Shouldn’t it rather be > > (lambda (d) (let ((s (number->string d))) > > ?
Oops. Yes. -- David Kastrup
