Ah, I should have guessed that. I will figure out how to get Ubuntu to upgrade. What is the latest version?
David Logan > On Jul 6, 2017, at 9:16 AM, Paulo Moura <pmo...@logtalk.org> wrote: > > You're looking to the documentation of a recent GNU Prolog version but > running an old one. > >> On 6 Jul 2017, at 16:08, David Logan <djlogan2...@gmail.com> wrote: >> >> I am using the manual, and here is the section verbatim: >> —————————————————————————————————————————— >> 8.18.4 between/3, for/3 >> >> Templates >> >> between(+integer, +integer, ?integer) >> for(?integer, +integer, +integer) >> Description >> >> between(Lower, Upper, Counter) generates an sequence of backtracking choices >> instantiating Counter to the values Lower, Lower+1,…, Upper. >> >> for(Counter, Lower, Upper) is equivalent to between(Lower, Upper, Counter). >> This predicate is deprecated and new code should use between/3. >> >> —————————————————————————————————————————— >> >> Here are my results: >> >> david@server2:~/workspace/prolog/bookworm$ prolog >> GNU Prolog 1.3.0 >> By Daniel Diaz >> Copyright (C) 1999-2007 Daniel Diaz >> | ?- for(X,0,10), write(X), nl, fail. >> 0 >> 1 >> 2 >> 3 >> 4 >> 5 >> 6 >> 7 >> 8 >> 9 >> 10 >> >> no >> | ?- between(0,10,X), write(X), nl, fail. >> uncaught exception: error(existence_error(procedure,between/3),top_level/0) >> | ?- >> >> Again, what might I be missing here? >> >> Thank you, >> David Logan >> >> >> _______________________________________________ >> Users-prolog mailing list >> Users-prolog@gnu.org >> https://lists.gnu.org/mailman/listinfo/users-prolog > > ----------------------------------------------------------------- > Paulo Moura > Logtalk developer > > Email: <mailto:pmo...@logtalk.org> > Web: <http://logtalk.org/> > ----------------------------------------------------------------- > > > >
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