Daniel James wrote:
Daniel James wrote:
Sorry about all these tests and thanks for your patience. Here's another one which uses a slightly different method that I think should will better:
Actually, can you also preprocess this test? I really think this one will work. Which probably means it won't.
#include <boost/preprocessor/seq/elem.hpp> #include <boost/preprocessor/punctuation/paren.hpp>
#define IS_NULLARY(x) BOOST_PP_SEQ_ELEM(1, (IS_NULLARY_C x)(0)) #define IS_NULLARY_C() ~ BOOST_PP_RPAREN() (1) BOOST_PP_LPAREN() ~
IS_NULLARY(()) // 1 IS_NULLARY(()abc) // 1 IS_NULLARY(+) // 0 IS_NULLARY(xyz) // 0
#define IS_UNARY(x) IS_NULLARY(IS_UNARY_C x) #define IS_UNARY_C(a) ()
IS_UNARY((a)) // 1 IS_UNARY((a)abc) // 1 IS_UNARY(+) // 0 IS_UNARY(xyz) // 0
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"pp.cpp", line 7.1: 1506-041 (E) The invocation of macro BOOST_PP_SEQ_ELEM_III contains fewer arguments than required by the macro definition. "pp.cpp", line 8.1: 1506-041 (E) The invocation of macro BOOST_PP_SEQ_ELEM_III contains fewer arguments than required by the macro definition. #line 7 "pp.cpp" 1, BOOST_PP_NIL ( ~)(0) 1, BOOST_PP_NIL ( ~abc)(0) 0 0 #line 15 0 0 0 0 "pp.cpp", line 7.1: 1540-0861 (S) Too few arguments are specified for macro "BOOST_PP_SEQ_ELEM_III". Empty arguments are used. "/home/tk/cvstop/boost/boost/preprocessor/seq/elem.hpp", line 39.13: 1540-0425 (I) "BOOST_PP_SEQ_ELEM_III" is defined on line 39 of "pp.cpp". "pp.cpp", line 8.1: 1540-0861 (S) Too few arguments are specified for macro "BOOST_PP_SEQ_ELEM_III". Empty arguments are used. "/home/tk/cvstop/boost/boost/preprocessor/seq/elem.hpp", line 39.13: 1540-0425 (I) "BOOST_PP_SEQ_ELEM_III" is defined on line 39 of "pp.cpp".