Node: remhash, Next: , Previous: gethash, Up: Hash Tables Dictionary



remhash [Function]

remhash key hash-table => generalized-boolean

Arguments and Values::

key--an object.

hash-table--a hash table.

generalized-boolean--a generalized boolean.

Description::

Removes the entry for key in hash-table, if any. Returns true if there was such an entry, or false otherwise.

Examples::

      (setq table (make-hash-table)) =>  #<HASH-TABLE EQL 0/120 32115666>
      (setf (gethash 100 table) "C") =>  "C"
      (gethash 100 table) =>  "C", true
      (remhash 100 table) =>  true
      (gethash 100 table) =>  NIL, false
      (remhash 100 table) =>  false
     

Side Effects::

The hash-table is modified.