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Re: Iteration Facilities
- To: deutsch at PARC-MAXC
- Subject: Re: Iteration Facilities
- From: Jon L White <JONL at MIT-MC>
- Date: Tue ,11 Nov 80 14:39:00 EDT
- Cc: LISP-FORUM at MIT-MC, LISP-DISCUSSION at MIT-MC, SHRAGE at WHARTON-10
Indeed MAPF is a very modest attempt to abstract out the
"MAP" type facilities. the LOOP facility is the more general
user-oriented approach, and it is currently being distributed
with MacLISP. LOOP grew out of several years of evolving
iteration facilities, heavily influenced by InterLISP's; one
very interesting aspect about it is that the source code works
well in all of PDP10 MacLISP, MULTICS MacLISP, the LISPMachine,
and NIL. Glenn Burke and Dave Moon have a printed manual for
using it, but the machine-source for that manual is itself
quite readable; see the file LIBDOC;LOOP DOC on any ITS machine.