Unlimited "recursion" hack

recureduce.py

from functools import reduce


def run_flow(fns, input_value: dict) -> dict:
    def flow_reducer(result, fn):
        return fn(result)
    return reduce(flow_reducer, fns, input_value)


def recur(fn, input_value, stop) -> dict:
    _fns = [fn]
    def reducer(result, fn):
        res = fn(result)
        if not stop(res):
            _fns.append(fn)
        return res
    return reduce(reducer, _fns, input_value)


def dec1(x, stop):
    print(x)
    if stop(x):
        return x
    return dec1(x - 1, stop)


def dec(x):
    print(x)
    return x - 1


def my_stop(x):
    return x == 0



if __name__ == '__main__':
    print('RECURSION...')
    print('RES:', dec1(10, my_stop))

    print('REDUCE...')
    print('RES:', recur(dec, 10, my_stop))