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ANSI Common Lisp 7 Objects 7.7 Dictionary of Objects
7.7.10 slot-exists-p |
Function |
- Syntax:
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slot-exists-p
object slot-name
generalized-boolean
- Arguments and Values:
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object - an object.
slot-name - a symbol.
generalized-boolean - a generalized boolean.
- Description:
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Returns true if the object has
a slot named slot-name.
- Affected By:
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defclass,
defstruct
- See Also:
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defclass,
slot-missing
- Notes:
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Although no implementation is required to do so, implementors are strongly encouraged to implement the function slot-exists-p using the function slot-exists-p-using-class described in the Metaobject Protocol.
- Allegro CL Implementation Details:
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None.
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