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thepabloaguilar avatar thepabloaguilar commented on May 18, 2024

I've implemented a test:

class MathOperations:
    def __init__(self) -> None:
        self._operations = []

    def _add_operation(self, operation, other):
        self._operations.append(partial(operation, other))
        return self

    def __add__(self, other):
        return self._add_operation(operator.add, other)

    def __mul__(self, other):
        return self._add_operation(operator.mul, other)

    def __sub__(self, other):
        return self._add_operation(operator.sub, other)

    def __mod__(self, other):
        return self._add_operation(operator.mod, other)

    def __pow__(self, other):
        return self._add_operation(operator.pow, other)

    def __call__(self, number):
        first_operation, *rest_operations = self._operations
        return reduce(
            lambda partial_result, operation: operation(partial_result),
            rest_operations,
            first_operation(number)
        )


class _Callable(object):
    def __add__(self, other) -> Callable[['_Callable', T1], Callable[[T1], T1]]:
        return MathOperations() + other
>>> from lambdas import _

>>> func_one = _ + 1 * 10
>>> func_two = (_ + 1) * 10

>>> func_one(1)
1
>>> func_two(1)
20

from lambdas.

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