Info Catalog elisp: Defining Hash elisp: Hash Tables

elisp: Other Hash

 
 7.4 Other Hash Table Functions
 ==============================
 
 Here are some other functions for working with hash tables.
 
  -- Function: hash-table-p table
      This returns non-‘nil’ if TABLE is a hash table object.
 
  -- Function: copy-hash-table table
      This function creates and returns a copy of TABLE.  Only the table
      itself is copied—the keys and values are shared.
 
  -- Function: hash-table-count table
      This function returns the actual number of entries in TABLE.
 
  -- Function: hash-table-test table
      This returns the TEST value that was given when TABLE was created,
      to specify how to hash and compare keys.  See ‘make-hash-table’
      (Creating Hash).
 
  -- Function: hash-table-weakness table
      This function returns the WEAK value that was specified for hash
      table TABLE.
 
  -- Function: hash-table-rehash-size table
      This returns the rehash size of TABLE.
 
  -- Function: hash-table-rehash-threshold table
      This returns the rehash threshold of TABLE.
 
  -- Function: hash-table-size table
      This returns the current nominal size of TABLE.
 

Info Catalog elisp: Defining Hash elisp: Hash Tables