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A common complaint with Lisp's traditional looping constructs is
that they are either too simple and limited, such as Common Lisp's
dotimes
or Emacs Lisp's while
, or too unreadable and
obscure, like Common Lisp's do
loop.
To remedy this, recent versions of Common Lisp have added a new
construct called the "Loop Facility" or "loop
macro,"
with an easy-to-use but very powerful and expressive syntax.
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