Scieneer Common Lisp 1.3.9 online documentation decf place &optional delta &environment env [Macro] The first argument is some location holding a number. This number is decremented by the second argument, delta, which defaults to 1.
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| decf place &optional delta &environment env | [Macro] |
The first argument is some location holding a number. This number is decremented by the second argument, delta, which defaults to 1.