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gensym
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gensym /jen'sim/ [from MacLISP for `generated symbol']
1. /v./ To invent a new name for something temporary, in such a way
that the name is almost certainly not in conflict with one already
in use. 2. /n./ The resulting name. The canonical form of a
gensym
is `Gnnnn' where nnnn represents a number; any LISP hacker would
recognize G0093 (for example) as a gensym. 3. A freshly generated
data structure with a gensymmed name. Gensymmed names are useful
for storing or uniquely identifying crufties (see cruft).
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