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## Struct template complement_base

boost::numeric::functional::complement_base

## Synopsis

    // In header: <boost/accumulators/numeric/functional.hpp>

    template<typename Arg, typename EnableIf = void>
    struct complement_base :
      public std::unary_function< Arg, typeof(~ lvalue< Arg >())>
    {

      // public member functions
      result_type operator()(Arg &) const;
    };

## Description

### `complement_base` public member functions

1.     result_type operator()(Arg & arg) const;

   Returns: | ~ arg