====== Accessor FILL-POINTER ====== ====Syntax==== * **fill-pointer** //vector// → //fill-pointer// * (**setf** (**fill-pointer** //vector//) //new-fill-pointer//) ====Arguments and Values==== * //vector// - a //[[CL:Glossary:vector]]// with a //[[CL:Glossary:fill pointer]]//. * //fill-pointer//, //new-fill-pointer// - a //[[CL:Glossary:valid fill pointer]]// for the //vector//. ====Description==== //[[CL:Glossary:access|Accesses]]// the //[[CL:Glossary:fill pointer]]// of //vector//. ====Examples==== <blockquote> ([[CL:Macros:defparameter]] *array* ([[CL:Functions:make-array]] 8 :fill-pointer 4)) <r>*ARRAY*</r> *array* <r>#(NIL NIL NIL NIL) </r> (fill-pointer *array*) <r>4 </r> ([[CL:Macros:dotimes]] (i ([[CL:Functions:length]] *array*)) ([[CL:Macros:setf]] ([[CL:Functions:aref]] *array* i) (* i i))) <r>NIL</r> *array* <r>#(0 1 4 9)</r> ([[CL:Macros:setf]] (fill-pointer *array*) 3) <r>3 </r> (fill-pointer *array*) <r>3 </r> *array* <r>#(0 1 4)</r> ([[CL:Macros:setf]] (fill-pointer *array*) 8) <r>8 </r> *array* <r>#(0 1 4 9 NIL NIL NIL NIL) </r> </blockquote> ====Side Effects==== None. ====Affected By==== None. ====Exceptional Situations==== Should signal an error of type type-error if //vector// is not a //[[CL:Glossary:vector]]// with a //[[CL:Glossary:fill pointer]]//. ====See Also==== **[[CL:Functions:make-array|Function MAKE-ARRAY]]**, **[[CL:Functions:length|Function LENGTH]]** ====Notes==== There is no //[[CL:Glossary:operator]]// that will remove a //[[CL:Glossary:vector]]//'s //[[CL:Glossary:fill pointer]]//.
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