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## Struct template make_any_base_hook

boost::intrusive::make_any_base_hook

## Synopsis

    // In header: <boost/intrusive/any_hook.hpp>

    template<class... Options>
    struct make_any_base_hook {
      // types
      typedef unspecified            implementation_defined;
      typedef implementation_defined type;
      < hook_defaults, O1, O2, O3 >::type packed_options;  // @ typedef typename pack_options
    };

## Description

Helper metafunction to define a ``any_base_hook` that` yields to the same type when the same options (either explicitly or implicitly) are used.