namespace v1
{
template <
BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
MPLLIBS_LIMIT_COMPOSE_SIZE,
class F,
boost::mpl::na
)
>
struct compose;
template <>
struct compose<
BOOST_PP_ENUM(
MPLLIBS_LIMIT_COMPOSE_SIZE,
boost::mpl::na BOOST_PP_TUPLE_EAT(3),
~
)
>
{
typedef compose type;
template <class T>
struct apply
{
typedef T type;
};
};
#ifdef MPLLIBS_COMPOSE_CASE
# error MPLLIBS_COMPOSE_CASE already defined
#include <boost/preprocessor/punctuation/paren.hpp>
#include <boost/preprocessor/tuple/eat.hpp>
#define _MAX_ARGS 64
/* Python code for generating The TF_ARG_N() macros:
for i in range(1, 32+1):
line = '#define TF_ARG_%d(' % i
for j in range(1, i):
line += '_%d,' % j
line += '_%d,...) _%d' % (i, i)
print(line)
*/
// Make sure TF_ARG_N() supports at least BOOST_PP_LIMIT_TUPLE arguments.
#define _TF_ARG_ERROR(a, b, c)
#define _TF_ARG_TUPLE_OVERFLOW(a, b, c)
BOOST_PP_IIF(BOOST_PP_EQUAL(1, \
BOOST_PP_EXPAND(BOOST_PP_CAT(TF_ARG_, _MAX_ARGS) BOOST_PP_LPAREN() \
_TF \
BOOST_PP_REPEAT(BOOST_PP_SUB(_MAX_ARGS, 2), _TF_NUM_ARGS_REP, _TF) \
BOOST_PP_COMMA() 1 BOOST_PP_RPAREN())), \
BOOST_PP_TUPLE_EAT(1), _TF_ARG_ERROR)(...)
BOOST_PP_IIF(BOOST_PP_GREATER_EQUAL(_MAX_ARGS, BOOST_PP_LIMIT_TUPLE), \
BOOST_PP_TUPLE_EAT(1), _TF_ARG_TUPLE_OVERFLOW)(...)
#endif
