1 // TR1 functional -*- C++ -*- 2 3 // Copyright (C) 2005 Free Software Foundation, Inc. 4 // Written by Douglas Gregor <doug.gregor -at- gmail.com> 5 // 6 // This file is part of the GNU ISO C++ Library. This library is free 7 // software; you can redistribute it and/or modify it under the 8 // terms of the GNU General Public License as published by the 9 // Free Software Foundation; either version 2, or (at your option) 10 // any later version. 11 12 // This library is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 17 // You should have received a copy of the GNU General Public License along 18 // with this library; see the file COPYING. If not, write to the Free 19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 20 // USA. 21 22 // As a special exception, you may use this file as part of a free software 23 // library without restriction. Specifically, if other files instantiate 24 // templates or use macros or inline functions from this file, or you compile 25 // this file and link it with other files to produce an executable, this 26 // file does not by itself cause the resulting executable to be covered by 27 // the GNU General Public License. This exception does not however 28 // invalidate any other reasons why the executable file might be covered by 29 // the GNU General Public License. 30 31 /** @file tr1/mu_iterate.h 32 * This is an internal header file, included by other library headers. 33 * You should not attempt to use it directly. 34 */ 35 36 // Determine the result type when we pass the arguments along. This 37 // involves passing along the cv-qualifiers placed on _Mu and 38 // unwrapping the argument bundle. 39 // @namespace std::tr1 40 // @class std::tr1::_Mu::result 41 template<typename _CVMu, typename _CVArg 42 _GLIBCXX_COMMA _GLIBCXX_TEMPLATE_PARAMS> 43 class result<_CVMu(_CVArg, tuple<_GLIBCXX_TEMPLATE_ARGS>)> 44 : public result_of<_CVArg(_GLIBCXX_TEMPLATE_ARGS)> { }; 45 46 template<typename _CVArg _GLIBCXX_COMMA _GLIBCXX_TEMPLATE_PARAMS> 47 typename result_of<_CVArg(_GLIBCXX_TEMPLATE_ARGS)>::type 48 operator()(_CVArg& __arg, const tuple<_GLIBCXX_TEMPLATE_ARGS>& __tuple) 49 const volatile 50 { 51 return __arg(_GLIBCXX_MU_GET_TUPLE_ARGS); 52 } 53