NAME
    Tie::Hash::Check - Tied construct for hash key checking.

SYNOPSIS
     use Tie::Hash::Check;

     tie my %hash, 'Tie::Hash::Check', {
             %parameters,
     };

SUBROUTINES
    "TIEHASH"
             Hash create.

    "CLEAR"
             Hash clear.

    "DELETE"
             Hash delete.

    "EXISTS"
             Hash exists.

    "FETCH"
             Hash fetch.

    "FIRSTKEY"
             Hash first key.

    "NEXTKEY"
             Hash nextkey.

    "SCALAR"
             Hash scalar.

    "STORE"
             Hash store.

ERRORS
     TIEHASH():
             Parameter isn't hash.
             Stack isn't array.

     FETCH():
             Key '%s' doesn't exist.

EXAMPLE
     use strict;
     use warnings;

     use Tie::Hash::Check;

     # Set error type.
     $ENV{'ERROR_PURE_TYPE'} = 'Print';

     # Tied hash.
     tie my %hash, 'Tie::Hash::Check', {
             'one' => 1,
             'two' => 2,  
     };

     # Turn error "Key 'three' doesn't exist.".
     print $hash{'three'};

     # Output:
     # Tie::Hash::Check: Key 'three' doesn't exist.

DEPENDENCIES
    Error::Pure, Error::Pure::Utils.

REPOSITORY
    <https://github.com/michal-josef-spacek/Hash-Check>.

AUTHOR
    Michal Josef Špaček <mailto:skim@cpan.org>

    <http://skim.cz>

LICENSE AND COPYRIGHT
    © 2009-2020 Michal Josef Špaček

    BSD 2-Clause License

VERSION
    0.09