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from fpylib.functors.maybe import Maybe, Just, Nothing

def div(x: Number, y: Number) -> Maybe[Number]:
    if y == 0:
        return Nothing()
    return Just(x / y)

div(1, 0) # Output: Nothing
div(1, 2) # Output: Just 0.5

from fpylib.functors.  

import functools

def compose(*funcs):
    """Functional composition [f, g, h] will be h(g(f(x))) """
    def compose_two(f, g):
        def c(x):
            return f(g(x))
        return c
    return functools.reduce(compose_two, reversed(funcs))

  

Monad(1) >> (lambda x: x + 1) # Output: Monad 2

example = (
  Monad(1)
  >> (lambda x: x + 1)
  >> (lambda x: x ** 2)
  >> (lambda x: x // 3)
  >> (lambda x: x * 10)
  >> str

) # Output: Monad "10"

from fpylib.f