RosettaCodeData/Task/Mutual-recursion/Order/mutual-recursion.order

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#include <order/interpreter.h>
#define ORDER_PP_DEF_8f \
ORDER_PP_FN(8fn(8N, \
8if(8is_0(8N), \
1, \
8sub(8N, 8m(8f(8dec(8N)))))))
#define ORDER_PP_DEF_8m \
ORDER_PP_FN(8fn(8N, \
8if(8is_0(8N), \
0, \
8sub(8N, 8f(8m(8dec(8N)))))))
//Test
ORDER_PP(8for_each_in_range(8fn(8N, 8print(8f(8N))), 0, 19))
ORDER_PP(8for_each_in_range(8fn(8N, 8print(8m(8N))), 0, 19))