slot-exists-p

slot-exists-p Function

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.

Expanded Reference: slot-exists-p

tip

TODO: Please contribute to this page by adding explanations and examples

(slot-exists-p )