# phpman > perldoc > Moose::Meta::Role::Application::RoleSummation

## NAME
    [Moose::Meta::Role::Application::RoleSummation](https://www.chedong.com/phpMan.php/perldoc/Moose%3A%3AMeta%3A%3ARole%3A%3AApplication%3A%3ARoleSummation/markdown) - Combine two or more roles

## VERSION
    version 2.2200

## DESCRIPTION
    Summation composes two traits, forming the union of non-conflicting bindings and 'disabling' the
    conflicting bindings

  METHODS
    new
    meta
    role_params
    get_exclusions_for_role
    get_method_aliases_for_role
    is_aliased_method
    is_method_aliased
    is_method_excluded
    apply
    check_role_exclusions
    check_required_methods
    check_required_attributes
    apply_attributes
    apply_methods
    apply_overloading
    apply_method_modifiers
    apply_override_method_modifiers

## AUTHORS
    *   Stevan Little <<stevan@cpan.org>>

    *   Dave Rolsky <<autarch@urth.org>>

    *   Jesse Luehrs <<doy@cpan.org>>

    *   Shawn M Moore <<sartak@cpan.org>>

    *   יובל קוג'מן (Yuval Kogman) <<nothingmuch@woobling.org>>

    *   Karen Etheridge <<ether@cpan.org>>

    *   Florian Ragwitz <<rafl@debian.org>>

    *   Hans Dieter Pearcey <<hdp@cpan.org>>

    *   Chris Prather <<chris@prather.org>>

    *   Matt S Trout <<mstrout@cpan.org>>

## COPYRIGHT AND LICENSE
    This software is copyright (c) 2006 by Infinity Interactive, Inc.

    This is free software; you can redistribute it and/or modify it under the same terms as the Perl
    5 programming language system itself.