fmakunbound (Function)

Syntax:

Pronunciation:

[ˌefˈmakə nˌba.und] or [ˌefˈmā kə nˌba.und]

Arguments and Values:

name—a function name.

Description:

Removes the function or macro definition, if any, of name in the global environment.

Examples:

(defun add-some (x) (+ x 19)) → ADD-SOME
 (fboundp 'add-some) → true
 (flet ((add-some (x) (+ x 37)))
    (fmakunbound 'add-some)
    (add-some 1)) → 38
 (fboundp 'add-some) → false

Exceptional Situations:

Should signal an error of type type-error if name is not a function name.

The consequences are undefined if name is a special operator.

See Also:

fboundp, makunbound