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#include <order/interpreter.h>
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#define ORDER_PP_DEF_8fib \
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ORDER_PP_FN(8fn(8N, \
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8fib_iter(8N, 0, 1)))
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#define ORDER_PP_DEF_8fib_iter \
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ORDER_PP_FN(8fn(8N, 8I, 8J, \
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8if(8is_0(8N), \
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8I, \
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8fib_iter(8dec(8N), 8J, 8add(8I, 8J)))))
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ORDER_PP(8to_lit(8fib(8nat(5,0,0))))
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