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Diffstat (limited to 'libstdc++-v3/include/ext/pb_assoc/detail/typelist/typelist_apply.hpp')
-rw-r--r-- | libstdc++-v3/include/ext/pb_assoc/detail/typelist/typelist_apply.hpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/libstdc++-v3/include/ext/pb_assoc/detail/typelist/typelist_apply.hpp b/libstdc++-v3/include/ext/pb_assoc/detail/typelist/typelist_apply.hpp new file mode 100644 index 00000000000..6d6bbf94782 --- /dev/null +++ b/libstdc++-v3/include/ext/pb_assoc/detail/typelist/typelist_apply.hpp @@ -0,0 +1,90 @@ +// -*- C++ -*- + +// Copyright (C) 2005 Free Software Foundation, Inc. +// +// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// 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. + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice and +// this permission notice appear in supporting documentation. None of +// the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied warranty. + +/** + * @file typelist_apply.hpp + * Contains typelist utilities. + * Typelists are an idea by Andrei Alexandrescu. + */ + +#ifndef TYPELIST_APPLY_HPP +#define TYPELIST_APPLY_HPP + +#ifdef _MSC_VER +#pragma warning(disable: 4503) +#endif // #ifdef _MSC_VER + +#include <ext/pb_assoc/detail/type_utils.hpp> + +namespace detail +{ + + template<class Fn, class Typelist_Chain> + struct apply_; + + template<class Fn, class Hd, class Tl> + struct apply_< + Fn, + typelist_chain<Hd, Tl> > + { + void + operator()(Fn& r_fn) + { + r_fn(Hd()); + + apply_<Fn, Tl> next; + + next(r_fn); + } + }; + + template<class Fn> + struct apply_< + Fn, + null_type> + { + void + operator()(Fn& /*r_fn*/) + { } + }; + +} // namespace detail + +#endif // #ifndef TYPELIST_APPLY_HPP + |