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15.25.1 Introduction

A loop is a series of expressions that are executed one or more times, a process known as iteration.

Loop Keywords (“Constructs”)

The Loop Facility defines a variety of useful methods (“constructs”), indicated by loop keywords, to iterate and to accumulate values in a loop.

Loop keywords are not true Common Lisp keywords; they are symbols that are recognized by the Loop Facility and that provide such capabilities as

If you do not use any loop keywords, the Loop Facility simply executes the loop body repeatedly.