Rev | Line | |
---|
[857] | 1 |
|
---|
| 2 | #ifndef BOOST_MPL_AUX_AT_IMPL_HPP_INCLUDED
|
---|
| 3 | #define BOOST_MPL_AUX_AT_IMPL_HPP_INCLUDED
|
---|
| 4 |
|
---|
| 5 | // Copyright Aleksey Gurtovoy 2000-2004
|
---|
| 6 | //
|
---|
| 7 | // Distributed under the Boost Software License, Version 1.0.
|
---|
| 8 | // (See accompanying file LICENSE_1_0.txt or copy at
|
---|
| 9 | // http://www.boost.org/LICENSE_1_0.txt)
|
---|
| 10 | //
|
---|
| 11 | // See http://www.boost.org/libs/mpl for documentation.
|
---|
| 12 |
|
---|
| 13 | // $Source: /cvsroot/boost/boost/boost/mpl/aux_/at_impl.hpp,v $
|
---|
| 14 | // $Date: 2004/09/02 15:40:43 $
|
---|
| 15 | // $Revision: 1.5 $
|
---|
| 16 |
|
---|
| 17 | #include <boost/mpl/begin_end.hpp>
|
---|
| 18 | #include <boost/mpl/advance.hpp>
|
---|
| 19 | #include <boost/mpl/deref.hpp>
|
---|
| 20 | #include <boost/mpl/aux_/traits_lambda_spec.hpp>
|
---|
| 21 |
|
---|
| 22 | namespace boost { namespace mpl {
|
---|
| 23 |
|
---|
| 24 | // default implementation; conrete sequences might override it by
|
---|
| 25 | // specializing either the 'at_impl' or the primary 'at' template
|
---|
| 26 |
|
---|
| 27 | template< typename Tag >
|
---|
| 28 | struct at_impl
|
---|
| 29 | {
|
---|
| 30 | template< typename Sequence, typename N > struct apply
|
---|
| 31 | {
|
---|
| 32 | typedef typename advance<
|
---|
| 33 | typename begin<Sequence>::type
|
---|
| 34 | , N
|
---|
| 35 | >::type iter_;
|
---|
| 36 |
|
---|
| 37 | typedef typename deref<iter_>::type type;
|
---|
| 38 | };
|
---|
| 39 | };
|
---|
| 40 |
|
---|
| 41 | BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2, at_impl)
|
---|
| 42 |
|
---|
| 43 | }}
|
---|
| 44 |
|
---|
| 45 | #endif // BOOST_MPL_AUX_AT_IMPL_HPP_INCLUDED
|
---|
Note: See
TracBrowser
for help on using the repository browser.