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ANSI Common Lisp 5 Data and Control Flow 5.3 Dictionary of Data and Control Flow
5.3.51 multiple-value-prog1 |
Special Operator |
- Syntax:
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multiple-value-prog1
first-form {form}*
first-form-results
- Arguments and Values:
-
first-form - a form; evaluated as described below.
form - a form; evaluated as described below.
first-form-results - the values resulting from
the evaluation of first-form.
- Description:
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multiple-value-prog1 evaluates first-form and saves
all the values produced by that form. It then evaluates each
form from left to right, discarding their values.
- Examples:
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(setq temp '(1 2 3)) (1 2 3)
(multiple-value-prog1
(values-list temp)
(setq temp nil)
(values-list temp)) 1, 2, 3
- See Also:
-
prog1
- Allegro CL Implementation Details:
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None.
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