makunbound [Function]

makunbound symbol => symbol

Arguments and Values::

symbol---a symbol

Description::

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

Examples::

 (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::

section boundp [Function] , section fmakunbound [Function]

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