#### 7.7.10 slot-exists-p [Function] ¶

`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 [Macro] , slot-missing [Standard Generic Function]

#### 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.