mu_iterate.h

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// TR1 functional -*- C++ -*-

// Copyright (C) 2005 Free Software Foundation, Inc.
// Written by Douglas Gregor <doug.gregor -at- gmail.com>
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

// Determine the result type when we pass the arguments along. This
// involves passing along the cv-qualifiers placed on _Mu and
// unwrapping the argument bundle.
template<typename _CVMu, typename _CVArg
         _GLIBCXX_COMMA _GLIBCXX_TEMPLATE_PARAMS>
class result<_CVMu(_CVArg, tuple<_GLIBCXX_TEMPLATE_ARGS>)>
  : public result_of<_CVArg(_GLIBCXX_TEMPLATE_ARGS)> { };

template<typename _CVArg _GLIBCXX_COMMA _GLIBCXX_TEMPLATE_PARAMS>
typename result_of<_CVArg(_GLIBCXX_TEMPLATE_ARGS)>::type
operator()(_CVArg& __arg, const tuple<_GLIBCXX_TEMPLATE_ARGS>& __tuple)
  const volatile
{
  return __arg(_GLIBCXX_MU_GET_TUPLE_ARGS);
}

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