create or replace package hamming#
is
  --+--------------------------------------------------------------------------+
  -- Computes the Hamming distance between two starnds.
  --
  -- @param i_first  sequence to compare
  -- @param i_second sequence to compare
  --
  -- @return         Hamming distance between i_first and i_second
  --+--------------------------------------------------------------------------+
  function distance (
    i_first                                       varchar2
   ,i_second                                      varchar2
  ) return pls_integer;

end hamming#;
/

create or replace package body hamming#
is

end hamming#;
/