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====== Function MAKUNBOUND ====== ====Syntax==== * **makunbound** //symbol// → //symbol// ====Arguments and Values==== * //symbol// - a //[[CL:Glossary:symbol]]// ====Description==== Makes the //symbol// be //[[CL:Glossary:unbound]]//, regardless of whether it was previously //[[CL:Glossary:bound]]//. ====Examples==== <blockquote> ([[CL:Macros:setf]] ([[CL:Functions:symbol-value]] 'a) 1) <r>1</r> ([[CL:Functions:boundp]] 'a) <r>//[[CL:Glossary:true]]// </r> a <r>1 </r> (makunbound 'a) <r>A </r> ([[CL:Functions:boundp]] 'a) <r>//[[CL:Glossary:false]]// </r> </blockquote> ====Side Effects==== The //[[CL:Glossary:value cell]]// of //symbol// is modified. ====Affected By==== None. ====Exceptional Situations==== Should signal an error of type type-error if //symbol// is not a //[[CL:Glossary:symbol]]//. ====See Also==== * **[[CL:Functions:boundp|Function BOUNDP]]** * **[[CL:Functions:fmakunbound|Function FMAKUNBOUND]]** ====Notes==== None.