package Tree::Transform::Utils;
use strict;
use warnings;

sub _rules_store {
    no strict 'refs';
    if (!defined *{$_[0].'::_tree_transform_rules'}{HASH}) {
        *{$_[0].'::_tree_transform_rules'}={};
    }
    return *{$_[0].'::_tree_transform_rules'}{HASH};
}

sub _get_isa {
    no strict 'refs';
    if (!defined *{$_[0].'::ISA'}{ARRAY}) {
        return ();
    }
    return @{*{$_[0].'::ISA'}{ARRAY}};
}

1;