Header file preprocessor.hpp

#define SIPLASPLAS_UTILITY_PREPROCESSOR_HPP 

#define SIPLASPLAS_PP_IMPL_CAT(x, y) x ## y

#define SIPLASPLAS_PP_CAT(x, y) SIPLASPLAS_PP_IMPL_CAT(x, y)

#define SIPLASPLAS_PP_IMPL_STR(x) #x

#define SIPLASPLAS_PP_STR(x) SIPLASPLAS_PP_IMPL_STR(x)