Hi, Is this means that we are no longer allowed to write and support someting like:
(define (1+x x) (+ 1 x)) ? Best, Sanel On 07/11/14,John Cowan wrote: > ceving scripsit: > > > The new standard seems to ban Guile's 1+ operator. It must be > > quoted in R7RS |1+|. > > True. Then again, it wasn't valid R5RS either, or R4RS or even R3RS; > R2RS was the only Scheme standard to explicitly allow it, almost > thirty years ago. > > The theory of R7RS identifiers is that they can't have a prefix which > is a valid number. In practice, many Schemes simply attempt to parse > an alphanumeric sequence as a number, and if that fails, accept it as > an identifier. > _______________________________________________ Scheme-reports mailing list Scheme-reports@scheme-reports.org http://lists.scheme-reports.org/cgi-bin/mailman/listinfo/scheme-reports
