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cl:functions:clrhash [2019/09/14 05:00] |
cl:functions:clrhash [2020/08/05 18:00] (current) |
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| + | ====== Function CLRHASH ====== | ||
| + | |||
| + | ====Syntax==== | ||
| + | * **clrhash** //hash-table// → //hash-table// | ||
| + | |||
| + | ====Arguments and Values==== | ||
| + | * //hash-table// - a //[[CL:Glossary:hash table]]//. | ||
| + | |||
| + | ====Description==== | ||
| + | Removes all entries from //hash-table//, and then returns that empty //[[CL:Glossary:hash table]]//. | ||
| + | |||
| + | ====Examples==== | ||
| + | <blockquote> | ||
| + | ([[CL:Macros:defparameter]] *table* ([[CL:Functions:make-hash-table]])) <r>*TABLE*</r> | ||
| + | *table* <r>#<HASH-TABLE [[CL:Functions:EQL]] 0/120 32004073> </r> | ||
| + | ([[CL:Macros:dotimes]] (i 100) | ||
| + | ([[CL:Macros:setf]] ([[CL:Functions:gethash]] i *table*) ([[CL:Functions:format]] [[CL:Constant Variables:nil]] "~R" i))) <r>[[CL:Constant Variables:nil|NIL]] </r> | ||
| + | ([[CL:Functions:hash-table-count]] *table*) <r>100 </r> | ||
| + | ([[CL:Functions:gethash]] 57 *table*) <r>"fifty-seven", //[[CL:Glossary:true]]//</r> | ||
| + | (clrhash *table*) <r>#<HASH-TABLE [[CL:Functions:EQL]] 0/120 32004073> </r> | ||
| + | ([[CL:Functions:hash-table-count]] *table*) <r>0 </r> | ||
| + | ([[CL:Functions:gethash]] 57 *table*) <r>[[CL:Constant Variables:nil|NIL]], //[[CL:Glossary:false]]//</r> | ||
| + | </blockquote> | ||
| + | |||
| + | ====Side Effects==== | ||
| + | The //hash-table// is modified. | ||
| + | |||
| + | ====Affected By==== | ||
| + | None. | ||
| + | |||
| + | ====Exceptional Situations==== | ||
| + | None. | ||
| + | |||
| + | ====See Also==== | ||
| + | None. | ||
| + | |||
| + | ====Notes==== | ||
| + | None. | ||
