Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the master branch, built from commit 682d8fbea2.

Struct template impl

boost::proto::_void::impl

Synopsis

// In header: <boost/proto/transform/arg.hpp>


template<typename Expr, typename State, typename Data> 
struct impl :  proto::transform_impl< Expr, State, Data > {
  // types
  typedef void result_type;

  // public member functions
  void operator()(typename impl::expr_param, typename impl::state_param, 
                  typename impl::data_param) const;
};

Description

`impl` public member functions

void operator()(typename impl::expr_param, typename impl::state_param, 
                typename impl::data_param) const;

Does nothing.

Throws:

Will not throw.