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## 6.1.2.1.2 The for-as-in-list subclause

In the for-as-in-list subclause, the `for` or `as` construct iterates over the contents of a list. It checks for the end of the list as if by using endp. The variable var is bound to the successive elements of the list in form1 before each iteration. At the end of each iteration, the function step-fun is applied to the list; the default value for step-fun is cdr. The loop keywords `in` and `by` serve as valid prepositions in this syntax. The `for` or `as` construct causes termination when the end of the list is reached.

## 6.1.2.1.2.1 Examples of for-as-in-list subclause

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