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void ruby_Init_refinement(void);
#ifdef __GNUC__
#define PRINTF_ARGS(decl, string_index, first_to_check) \
decl __attribute__((format(printf, string_index, first_to_check)))
#else
#define PRINTF_ARGS(decl, string_index, first_to_check) decl
#endif
PRINTF_ARGS(void rb_warn(const char*, ...), 1, 2);
void
Init_refinement(void)
{
rb_warn("Refinements are experimental, and the behavior may change in future versions of Ruby!");
ruby_Init_refinement();
}
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