Andre van Tonder writes: > On Fri, 6 May 2011, John Cowan wrote: > > Ian Price scripsit: > > > >> "The continuations of all non-final expressions within a sequence of > >> expressions, such as in lambda, begin, let, let*, letrec, letrec*, > >> let-values, let*-values, case, and cond forms, usually take an > >> arbitrary number of values." > > > > Ticket filed. > > Only non-final expressions, though? > > I don't like that restriction, because equivalence of the following two > expressions should be to me a fundamental property of BEGIN: > > (begin > (begin > exp1) > exp2)) > > and > > (begin > exp1 > exp2) > > But with ths stated restriction, they are not equivalent.
What difference do you see? These seem equivalent to me whether or not the non-final expressions in a sequence are required to return exactly one value. I would like any number of values allowed, as in R6RS. (I don't know why it says "usually".) _______________________________________________ Scheme-reports mailing list Scheme-reports@scheme-reports.org http://lists.scheme-reports.org/cgi-bin/mailman/listinfo/scheme-reports
