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ANSI Common Lisp  5 Data and Control Flow 5.3 Dictionary of Data and Control Flow
| 5.3.5 fmakunbound |
Function |
- Syntax:
-
fmakunbound
name
 name
- Pronunciation:
-
[ 'ef'makEn'baünd ]
or [ 'ef'mâkEn'baünd ]
- 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
- Allegro CL Implementation Details:
-
None.
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