boost::openmethod::registry::without :: Boost.OpenMethod

# boost::openmethod::registry::without

Remove policies.

## Synopsis

Declared in `<boost/openmethod/preamble.hpp>`

    template<class... Categories>
    using without = boost::mp11::mp_apply<registry, /* implementation-defined */::type>;

## Description

`without` aliases to a registry containing the same policies, except those that derive from `Categories`.

## Template Parameters

Name | Description
--- | ---
Categories | Models of `policies::PolicyCategory`.

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