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LAST versus APPEND, REVERSE, GET, etc.
- To: (BUG LISP) at MIT-MC
- Subject: LAST versus APPEND, REVERSE, GET, etc.
- From: JONL at MIT-MC (Jon L White)
- Date: Thu, 11 Jan 79 06:14:00 GMT
- Original-date: 11 JAN 1979 0114-EST
I propose that LAST be defined as terminating on any atom,
whereas the other primitives be defined to terminate on the nullist -
the lack of a definition as to what these other primitives do on non-null
atoms leaves the option for maclisp to run fast in *RSET null mode, and
do error checking in *RSET non-null mode. Possibly in LISPM and NIL,
all primitives can be defined as terminating on any atom.