Next: , Previous: boundp, Up: Symbols

makunbound (Function)

— Function: makunbound symbol symbol
Arguments and Values:

symbol—a symbol


Makes the symbol be unbound, regardless of whether it was previously bound.

 (setf (symbol-value 'a) 1)
 (boundp 'a)  true
 a  1
 (makunbound 'a)  A
 (boundp 'a)  false
Side Effects:

The value cell of symbol is modified.

Exceptional Situations:

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

See Also:

boundp, fmakunbound