graphs/piscine/functional_programming/foldr.c


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#include "functional_programming.h"

int foldr(int *array, size_t len, int (*func)(int, int))
{
    if (len == 1)
    {
        return (*func)(array[0], 0);
    }
    return (*func)(array[0], foldr(array + 1, len - 1, func));
}