Function slot-exists-p

Syntax:

Arguments and Values:

object—an object.

slot-name—a symbol.

generalized-boolean—a generalized boolean.

Description:

\Thefunction{slot-exists-p} tests whether the \param{object} has a \term{slot} of the given \term{name}.

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

Examples:

None.

Affected By:

defclass, defstruct

Exceptional Situations:

None.

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.