Added boost header
This commit is contained in:
106
test/external/boost/parameter/binding.hpp
vendored
Normal file
106
test/external/boost/parameter/binding.hpp
vendored
Normal file
@@ -0,0 +1,106 @@
|
||||
// Copyright David Abrahams 2005. Distributed under the Boost
|
||||
// Software License, Version 1.0. (See accompanying
|
||||
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
||||
#ifndef BOOST_PARAMETER_BINDING_DWA200558_HPP
|
||||
# define BOOST_PARAMETER_BINDING_DWA200558_HPP
|
||||
|
||||
# include <boost/mpl/apply.hpp>
|
||||
# include <boost/mpl/assert.hpp>
|
||||
# include <boost/mpl/and.hpp>
|
||||
# include <boost/parameter/aux_/result_of0.hpp>
|
||||
# include <boost/parameter/aux_/void.hpp>
|
||||
# include <boost/type_traits/is_same.hpp>
|
||||
|
||||
# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
|
||||
# include <boost/mpl/eval_if.hpp>
|
||||
# endif
|
||||
|
||||
namespace boost { namespace parameter {
|
||||
|
||||
// A metafunction that, given an argument pack, returns the type of
|
||||
// the parameter identified by the given keyword. If no such
|
||||
// parameter has been specified, returns Default
|
||||
|
||||
# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
|
||||
|| BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
|
||||
template <class Parameters, class Keyword, class Default>
|
||||
struct binding0
|
||||
{
|
||||
typedef typename mpl::apply_wrap3<
|
||||
typename Parameters::binding,Keyword,Default,mpl::true_
|
||||
>::type type;
|
||||
|
||||
BOOST_MPL_ASSERT_NOT((
|
||||
mpl::and_<
|
||||
is_same<Default, void_>
|
||||
, is_same<type, void_>
|
||||
>
|
||||
));
|
||||
};
|
||||
# endif
|
||||
|
||||
template <class Parameters, class Keyword, class Default = void_>
|
||||
# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
|
||||
struct binding
|
||||
# else
|
||||
struct binding_eti
|
||||
# endif
|
||||
{
|
||||
# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
|
||||
|| BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
|
||||
typedef typename mpl::eval_if<
|
||||
mpl::is_placeholder<Parameters>
|
||||
, mpl::identity<int>
|
||||
, binding0<Parameters,Keyword,Default>
|
||||
>::type type;
|
||||
# else
|
||||
typedef typename mpl::apply_wrap3<
|
||||
typename Parameters::binding,Keyword,Default,mpl::true_
|
||||
>::type type;
|
||||
|
||||
BOOST_MPL_ASSERT_NOT((
|
||||
mpl::and_<
|
||||
is_same<Default, void_>
|
||||
, is_same<type, void_>
|
||||
>
|
||||
));
|
||||
# endif
|
||||
|
||||
# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
|
||||
BOOST_MPL_AUX_LAMBDA_SUPPORT(3,binding,(Parameters,Keyword,Default))
|
||||
# endif
|
||||
};
|
||||
|
||||
# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
|
||||
template <class Parameters, class Keyword, class Default = void_>
|
||||
struct binding
|
||||
{
|
||||
typedef typename mpl::eval_if<
|
||||
is_same<Parameters, int>
|
||||
, mpl::identity<int>
|
||||
, binding_eti<Parameters, Keyword, Default>
|
||||
>::type type;
|
||||
|
||||
BOOST_MPL_AUX_LAMBDA_SUPPORT(3,binding,(Parameters,Keyword,Default))
|
||||
};
|
||||
# endif
|
||||
|
||||
// A metafunction that, given an argument pack, returns the type of
|
||||
// the parameter identified by the given keyword. If no such
|
||||
// parameter has been specified, returns the type returned by invoking
|
||||
// DefaultFn
|
||||
template <class Parameters, class Keyword, class DefaultFn>
|
||||
struct lazy_binding
|
||||
{
|
||||
typedef typename mpl::apply_wrap3<
|
||||
typename Parameters::binding
|
||||
, Keyword
|
||||
, typename aux::result_of0<DefaultFn>::type
|
||||
, mpl::true_
|
||||
>::type type;
|
||||
};
|
||||
|
||||
|
||||
}} // namespace boost::parameter
|
||||
|
||||
#endif // BOOST_PARAMETER_BINDING_DWA200558_HPP
|
||||
Reference in New Issue
Block a user