remhash (Function)

Syntax:

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.