namespace borg {
//! Coreementation details.
namespace detail
{
using namespace type_traits;
//! Is type T basically the same as type U?
template<typename T, typename U>
struct is_basically_same_impl
{
BOOST_STATIC_CONSTANT(bool, value =
(is_same<
typename remove_const_reference<T>::type,
typename remove_const_reference<U>::type
>::value));
};
}
//----------------------------------------------------------------------------
//! Declare the is_basically_same<T, U> metafunction.
//----------------------------------------------------------------------------
template<typename T, typename U>
struct is_basically_same
BOOST_TT_AUX_BOOL_C_BASE((detail::is_basically_same_impl<T, U>::value))
{
BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL((detail::is_basically_same_impl<T, U>::value))
BOOST_MPL_AUX_LAMBDA_SUPPORT(2, is_basically_same, (T, U))
};
} // namespace borg
, typename BOOST_MPL_AUX_NA_PARAM(F1)
, typename BOOST_MPL_AUX_NA_PARAM(F2)
>
struct eval_if
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
|| ( BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, >= 0x0300) \
&& BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304)) \
)
{
typedef typename if_<C,F1,F2>::type f_;
typedef typename f_::type type;
#else
: if_<C,F1,F2>::type
{
#endif
BOOST_MPL_AUX_LAMBDA_SUPPORT(3,eval_if,(C,F1,F2))
};
// (almost) copy & paste in order to save one more
// recursively nested template instantiation to user
template<
bool C
, typename F1
, typename F2
>
struct eval_if_c
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
|| ( BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, >= 0x0300) \
&& BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304)) \
)
{
#if BOOST_PP_ITERATION_DEPTH() == 1
# define i_ BOOST_PP_FRAME_ITERATION(1)
template<
typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)
>
struct BOOST_PP_CAT(apply,i_)
: BOOST_PP_CAT(apply_wrap,i_)<
typename lambda<F>::type
AUX778076_APPLY_N_COMMA_PARAMS(i_, T)
>
{
BOOST_MPL_AUX_LAMBDA_SUPPORT(
BOOST_PP_INC(i_)
, BOOST_PP_CAT(apply,i_)
, (F AUX778076_APPLY_N_COMMA_PARAMS(i_,T))
)
};
#if i_ == BOOST_MPL_LIMIT_METAFUNCTION_ARITY
/// primary template (not a specialization!)
template<
typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)
>
struct apply
: BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) >
{
