NAME
    Parv::Util - Miscellaneous utility functions which do not fit anywhere
    else

SYNOPSIS
      use Parv::Util qw( <list of functions to import> );

DESCRIPTION
    Parv::Util is functional module to be turned into an OO module at some
    later time. It collects miscellaneous utility functions which do not fit
    anywhere.

INTERFACE
    &def_value

      Inputs
          (1) Prefered value to check for "defined"ness and (2) default
          value in lieu of the preferred value

      Output
          Prefered value if defined, default value otherwise.

    &check_hash

      Input
          Hash reference to check for validity and non-emptyness.

      Output
          If input is a hash reference and non-empty: 1, 'ok'; if input is
          not a hash reference or is non empty: 0, error message;

    &flat_hash

      Inputs
          (1) Hash reference to be flattened and (2) optional array
          reference of keys in the required order.

      Output
          Ordered (if second input is given) keys and values as array
          reference.

Distribution and such
    Copyright(c) 2003-2004 Parv <parv(at)pair(dot)com>. All rights reserved.

    LICENSE: This collection is free software. It can be used in any way as
    desired only when proper credit is given by including this advertisement
    (from Copyright to DISCLAIMER sections).

    DISCLAIMER: I am not responsible for any loss or damage due to use of
    this software; use it at your own risk.