Apropos

slot-exists-pFunction

    Syntax

    slot-exists-p object slot-name generalized-boolean

    Arguments and Values

    object — an object.

    slot-name — a symbol.

    generalized-boolean — a generalized boolean.

    Description

    Returns true if the object has a slot named slot-name.

    Affected By

    defclass, defstruct

    See Also

    defclass, slot-missing

    Notes

    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.