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(This section was derived from work copyrighted (C) 1993-2005 by Richard Kelsey, Jonathan Rees, and Mike Sperber.)
Iterate
& reduce
are extensions of named-let
for
writing loops that walk down one or more sequences, such as the
elements of a list or vector, the characters read from a port, or an
arithmetic series. Additional sequences can be defined by the user.
Iterate
& reduce
are exported by the structure
reduce
.