trcks.fp.monads.awaitable_result
Monadic functions for trcks.AwaitableResult.
Provides utilities for functional composition of asynchronous trcks.Result-returning functions.
Examples:
>>> import asyncio
>>> import math
>>> from trcks import Result
>>> from trcks.fp.composition import pipe
>>> from trcks.fp.monads import awaitable_result as ar
>>> async def read_from_disk() -> Result[str, float]:
... await asyncio.sleep(0.001)
... return "failure", "not found"
...
>>> def get_square_root(x: float) -> Result[str, float]:
... if x < 0:
... return "failure", "negative value"
... return "success", math.sqrt(x)
...
>>> async def write_to_disk(output: float) -> None:
... await asyncio.sleep(0.001)
... print(f"Wrote '{output}' to disk.")
...
>>> async def main() -> Result[str, float]:
... a_rslt = read_from_disk()
... return await pipe(
... a_rslt,
... ar.map_success_to_result(get_square_root),
... ar.tap_success_to_awaitable(write_to_disk),
... )
...
>>> asyncio.run(main())
('failure', 'not found')
construct_failure(value)
Create a trcks.AwaitableFailure object from a value.
Parameters:
-
value(_F) –Value to be wrapped in a trcks.AwaitableFailure object.
Returns:
-
AwaitableFailure[_F]–A new trcks.AwaitableFailure instance containing the given value.
Examples:
>>> import asyncio
>>> from collections.abc import Awaitable
>>> from trcks.fp.monads import awaitable_result as ar
>>> a_rslt = ar.construct_failure("not found")
>>> isinstance(a_rslt, Awaitable)
True
>>> asyncio.run(ar.to_coroutine_result(a_rslt))
('failure', 'not found')
Source code in src/trcks/fp/_monads/awaitable_result.py
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construct_failure_from_awaitable(awtbl)
Create a trcks.AwaitableFailure object from a collections.abc.Awaitable object.
Parameters:
-
awtbl(Awaitable[_F]) –collections.abc.Awaitable object to be wrapped in a trcks.AwaitableFailure object.
Returns:
-
AwaitableFailure[_F]–A new trcks.AwaitableFailure instance containing the value of the given collections.abc.Awaitable object.
Examples:
>>> import asyncio
>>> from collections.abc import Awaitable
>>> from http import HTTPStatus
>>> from trcks.fp.monads import awaitable_result as ar
>>> async def get_status() -> HTTPStatus:
... await asyncio.sleep(0.001)
... return HTTPStatus.NOT_FOUND
...
>>> awaitable_status = get_status()
>>> isinstance(awaitable_status, Awaitable)
True
>>> a_rslt = ar.construct_failure_from_awaitable(awaitable_status)
>>> asyncio.run(ar.to_coroutine_result(a_rslt))
('failure', <HTTPStatus.NOT_FOUND: 404>)
Source code in src/trcks/fp/_monads/awaitable_result.py
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construct_from_result(rslt)
Create a trcks.AwaitableResult object from a trcks.Result object.
Parameters:
-
rslt(Result[_F, _S]) –trcks.Result object to be wrapped in a trcks.AwaitableResult object.
Returns:
-
AwaitableResult[_F, _S]–A new trcks.AwaitableResult instance containing the value of the given trcks.Result object.
Examples:
>>> import asyncio
>>> from collections.abc import Awaitable
>>> from trcks.fp.monads import awaitable_result as ar
>>> a_rslt = ar.construct_from_result(("failure", "not found"))
>>> isinstance(a_rslt, Awaitable)
True
>>> asyncio.run(ar.to_coroutine_result(a_rslt))
('failure', 'not found')
Source code in src/trcks/fp/_monads/awaitable_result.py
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construct_success(value)
Create a trcks.AwaitableSuccess object from a value.
Parameters:
-
value(_S) –Value to be wrapped in a trcks.AwaitableSuccess object.
Returns:
-
AwaitableSuccess[_S]–A new trcks.AwaitableSuccess instance containing the given value.
Examples:
>>> import asyncio
>>> from collections.abc import Awaitable
>>> from trcks.fp.monads import awaitable_result as ar
>>> a_rslt = ar.construct_success(42)
>>> isinstance(a_rslt, Awaitable)
True
>>> asyncio.run(ar.to_coroutine_result(a_rslt))
('success', 42)
Source code in src/trcks/fp/_monads/awaitable_result.py
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construct_success_from_awaitable(awtbl)
Create a trcks.AwaitableSuccess object from a collections.abc.Awaitable object.
Parameters:
-
awtbl(Awaitable[_S]) –collections.abc.Awaitable object to be wrapped in a trcks.AwaitableSuccess object.
Returns:
-
AwaitableSuccess[_S]–A new trcks.AwaitableSuccess instance containing the value of the given collections.abc.Awaitable object.
Examples:
>>> import asyncio
>>> from collections.abc import Awaitable
>>> from trcks.fp.monads import awaitable_result as ar
>>> async def read_from_disk() -> str:
... await asyncio.sleep(0.001)
... return "Hello, world!"
...
>>> awaitable_str = read_from_disk()
>>> isinstance(awaitable_str, Awaitable)
True
>>> a_rslt = ar.construct_success_from_awaitable(awaitable_str)
>>> asyncio.run(ar.to_coroutine_result(a_rslt))
('success', 'Hello, world!')
Source code in src/trcks/fp/_monads/awaitable_result.py
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map_failure(callable_, /, *args, **kwargs)
Create function that maps trcks.AwaitableFailure to trcks.AwaitableFailure values.
trcks.AwaitableSuccess values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], _F2]) –Synchronous function to apply to trcks.AwaitableFailure values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F2, _S1]]–Maps trcks.AwaitableFailure values to trcks.AwaitableFailure values according to the given function and leaves trcks.AwaitableSuccess values unchanged.
Examples:
>>> import asyncio
>>> from trcks import AwaitableResult
>>> from trcks.fp.monads import awaitable_result as ar
>>> add_prefix_to_failure = ar.map_failure(lambda s: f"Prefix: {s}")
>>> a_rslt_1: AwaitableResult[str, float] = add_prefix_to_failure(
... ar.construct_failure("negative value")
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_1))
('failure', 'Prefix: negative value')
>>> a_rslt_2: AwaitableResult[str, float] = add_prefix_to_failure(
... ar.construct_success(25.0)
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_2))
('success', 25.0)
Source code in src/trcks/fp/_monads/awaitable_result.py
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map_failure_to_awaitable(callable_, /, *args, **kwargs)
Create function that maps trcks.AwaitableFailure to trcks.AwaitableFailure values.
trcks.AwaitableSuccess values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], Awaitable[_F2]]) –Asynchronous function to apply to trcks.AwaitableFailure values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F2, _S1]]–Maps trcks.AwaitableFailure values to trcks.AwaitableFailure values according to the given asynchronous function and leaves trcks.AwaitableSuccess values unchanged.
Examples:
>>> import asyncio
>>> from trcks import AwaitableResult
>>> from trcks.fp.monads import awaitable_result as ar
>>> async def slowly_add_prefix(s: str) -> str:
... await asyncio.sleep(0.001)
... return f"Prefix: {s}"
...
>>> slowly_add_prefix_to_failure = ar.map_failure_to_awaitable(
... slowly_add_prefix
... )
>>> a_rslt_1: AwaitableResult[str, float] = slowly_add_prefix_to_failure(
... ar.construct_failure("negative value")
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_1))
('failure', 'Prefix: negative value')
>>> a_rslt_2: AwaitableResult[str, float] = slowly_add_prefix_to_failure(
... ar.construct_success(25.0)
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_2))
('success', 25.0)
Source code in src/trcks/fp/_monads/awaitable_result.py
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map_failure_to_awaitable_result(callable_, /, *args, **kwargs)
Create function that maps trcks.AwaitableFailure values to trcks.AwaitableResult values.
trcks.AwaitableSuccess values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], AwaitableResult[_F2, _S2]]) –Asynchronous function to apply to trcks.AwaitableFailure values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F2, _S1 | _S2]]–Maps trcks.AwaitableFailure values to trcks.AwaitableFailure and trcks.AwaitableSuccess values according to the given asynchronous function and leaves trcks.AwaitableSuccess values unchanged.
Examples:
>>> import asyncio
>>> from trcks import Result
>>> from trcks.fp.monads import awaitable_result as ar
>>> async def _slowly_replace_not_found(s: str) -> Result[str, float]:
... await asyncio.sleep(0.001)
... if s == "not found":
... return "success", 0.0
... return "failure", s
...
>>> slowly_replace_not_found = ar.map_failure_to_awaitable_result(
... _slowly_replace_not_found
... )
>>>
>>> a_rslt_1 = slowly_replace_not_found(ar.construct_failure("not found"))
>>> asyncio.run(ar.to_coroutine_result(a_rslt_1))
('success', 0.0)
>>> a_rslt_2 = slowly_replace_not_found(ar.construct_failure("other failure"))
>>> asyncio.run(ar.to_coroutine_result(a_rslt_2))
('failure', 'other failure')
>>> a_rslt_3 = slowly_replace_not_found(ar.construct_success(25.0))
>>> asyncio.run(ar.to_coroutine_result(a_rslt_3))
('success', 25.0)
Source code in src/trcks/fp/_monads/awaitable_result.py
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map_failure_to_awaitable_result_iterable(callable_, /, *args, **kwargs)
Create function that maps trcks.Failure values to trcks.AwaitableResultTuple values.
trcks.Success values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], AwaitableResultIterable[_F2, _S2]]) –Asynchronous function to apply to the trcks.Failure values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F2, _S1 | _S2]]–Maps trcks.Failure values to new trcks.AwaitableResultTuple values according to the given asynchronous function and leaves trcks.Success values unchanged.
Examples:
>>> import asyncio
>>> from trcks import AwaitableResultTuple
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> async def recover(e: str) -> AwaitableResultTuple[str, float]:
... await asyncio.sleep(0.001)
... if e == "not found":
... return "success", (0.0, 1.0)
... return "failure", e
...
>>> recover_from_failure = ar.map_failure_to_awaitable_result_iterable(
... recover
... )
>>> a_r_tpl_1 = recover_from_failure(ar.construct_failure("not found"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('success', (0.0, 1.0))
>>> a_r_tpl_2 = recover_from_failure(ar.construct_success(25.0))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', (25.0,))
Source code in src/trcks/fp/monads/awaitable_result.py
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map_failure_to_awaitable_result_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.map_failure_to_awaitable_result_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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map_failure_to_iterable(callable_, /, *args, **kwargs)
Create function that maps trcks.Failure values to homogeneous tuples.
trcks.Success values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], Iterable[_S2]]) –Synchronous function to apply to the trcks.Failure values, returning an collections.abc.Iterable.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], Awaitable[SuccessTuple[_S1] | SuccessTuple[_S2]]]–Maps trcks.Failure values to homogeneous tuples wrapped in trcks.AwaitableSuccessTuple values according to the given function and leaves trcks.Success values unchanged (wrapped as a tuple).
Examples:
>>> import asyncio
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> def recover(e: str) -> tuple[float, ...]:
... if e == "not found":
... return (0.0, 1.0)
... return ()
...
>>> recover_from_failure = ar.map_failure_to_iterable(recover)
>>> a_r_tpl_1 = recover_from_failure(ar.construct_failure("not found"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('success', (0.0, 1.0))
>>> a_r_tpl_2 = recover_from_failure(ar.construct_success(25.0))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', (25.0,))
Source code in src/trcks/fp/monads/awaitable_result.py
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map_failure_to_result(callable_, /, *args, **kwargs)
Create function that maps trcks.AwaitableFailure values to trcks.AwaitableResult values.
trcks.AwaitableSuccess values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], Result[_F2, _S2]]) –Synchronous function to apply to trcks.AwaitableFailure values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F2, _S1 | _S2]]–Maps trcks.AwaitableFailure values to trcks.AwaitableResult values according to the given function and leaves trcks.AwaitableSuccess values unchanged.
Examples:
>>> import asyncio
>>> from trcks import AwaitableResult
>>> from trcks.fp.monads import awaitable_result as ar
>>> replace_not_found_by_default_value = ar.map_failure_to_result(
... lambda s: ("success", 0.0) if s == "not found" else ("failure", s)
... )
>>> a_rslt_1: AwaitableResult[str, float] = replace_not_found_by_default_value(
... ar.construct_failure("not found")
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_1))
('success', 0.0)
>>> a_rslt_2: AwaitableResult[str, float] = replace_not_found_by_default_value(
... ar.construct_failure("other failure")
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_2))
('failure', 'other failure')
>>> a_rslt_3: AwaitableResult[str, float] = replace_not_found_by_default_value(
... ar.construct_success(25.0)
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_3))
('success', 25.0)
Source code in src/trcks/fp/_monads/awaitable_result.py
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map_failure_to_result_iterable(callable_, /, *args, **kwargs)
Create function that maps trcks.Failure values to new trcks.ResultTuple values.
trcks.Success values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], ResultIterable[_F2, _S2]]) –Synchronous function to apply to the trcks.Failure values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F2, _S1 | _S2]]–Maps trcks.Failure values to new trcks.ResultTuple values according to the given function and leaves trcks.Success values unchanged (wrapped as a tuple).
Examples:
>>> import asyncio
>>> from trcks import ResultTuple
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> def recover(e: str) -> ResultTuple[str, float]:
... if e == "not found":
... return "success", (0.0, 1.0)
... return "failure", e
...
>>> recover_from_failure = ar.map_failure_to_result_iterable(recover)
>>> a_r_tpl_1 = recover_from_failure(ar.construct_failure("not found"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('success', (0.0, 1.0))
>>> a_r_tpl_2 = recover_from_failure(ar.construct_success(25.0))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', (25.0,))
Source code in src/trcks/fp/monads/awaitable_result.py
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map_failure_to_result_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.map_failure_to_result_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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map_failure_to_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.map_failure_to_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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map_success(callable_, /, *args, **kwargs)
Create function that maps trcks.AwaitableSuccess to trcks.AwaitableSuccess values.
trcks.AwaitableFailure values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], _S2]) –Synchronous function to apply to trcks.AwaitableSuccess values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1, _S2]]–Leaves trcks.AwaitableFailure values unchanged and maps trcks.AwaitableSuccess values to new trcks.AwaitableSuccess values according to the given function.
Examples:
>>> import asyncio
>>> from trcks import AwaitableResult
>>> from trcks.fp.monads import awaitable_result as ar
>>> def increase(n: int) -> int:
... return n + 1
...
>>> increase_success = ar.map_success(increase)
>>> a_rslt_1: AwaitableResult[str, int] = increase_success(
... ar.construct_failure("not found")
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_1))
('failure', 'not found')
>>> a_rslt_2: AwaitableResult[str, int] = increase_success(
... ar.construct_success(42)
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_2))
('success', 43)
Source code in src/trcks/fp/_monads/awaitable_result.py
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map_success_to_awaitable(callable_, /, *args, **kwargs)
Create function that maps trcks.AwaitableSuccess to trcks.AwaitableSuccess values.
trcks.AwaitableFailure values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], Awaitable[_S2]]) –Asynchronous function to apply to trcks.AwaitableSuccess values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1, _S2]]–Leaves trcks.AwaitableFailure values unchanged and maps trcks.AwaitableSuccess values to new trcks.AwaitableSuccess values according to the given function.
Examples:
>>> import asyncio
>>>
>>> from trcks import AwaitableResult
>>> from trcks.fp.monads import awaitable_result as ar
>>>
>>>
>>> async def increment_slowly(n: int) -> int:
... return n + 1
...
>>> increase_success = ar.map_success_to_awaitable(increment_slowly)
>>>
>>> a_rslt_1: AwaitableResult[str, int] = increase_success(
... ar.construct_failure("not found")
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_1))
('failure', 'not found')
>>>
>>> a_rslt_2: AwaitableResult[str, int] = increase_success(
... ar.construct_success(42)
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_2))
('success', 43)
Source code in src/trcks/fp/_monads/awaitable_result.py
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map_success_to_awaitable_result(callable_, /, *args, **kwargs)
Create function that maps trcks.AwaitableSuccess values to trcks.AwaitableResult values.
trcks.AwaitableFailure values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], AwaitableResult[_F2, _S2]]) –Asynchronous function to apply to trcks.AwaitableSuccess values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1 | _F2, _S2]]–Leaves trcks.AwaitableFailure values unchanged and maps trcks.AwaitableSuccess values to trcks.AwaitableFailure and trcks.AwaitableSuccess values according to the given asynchronous function.
Examples:
>>> import asyncio
>>> import math
>>> from trcks import AwaitableResult, Result
>>> from trcks.fp.monads import awaitable_result as ar
>>> async def _get_square_root_slowly(x: float) -> Result[str, float]:
... await asyncio.sleep(0.001)
... if x < 0:
... return "failure", "negative value"
... return "success", math.sqrt(x)
...
>>> get_square_root_slowly = ar.map_success_to_awaitable_result(
... _get_square_root_slowly
... )
>>> a_rslt_1: AwaitableResult[str, float] = get_square_root_slowly(
... ar.construct_failure("not found")
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_1))
('failure', 'not found')
>>> a_rslt_2: AwaitableResult[str, float] = get_square_root_slowly(
... ar.construct_success(25.0)
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_2))
('success', 5.0)
Source code in src/trcks/fp/_monads/awaitable_result.py
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map_success_to_awaitable_result_iterable(callable_, /, *args, **kwargs)
Create function that maps trcks.Success values to trcks.AwaitableResultTuple values.
trcks.Failure values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], AwaitableResultIterable[_F2, _S2]]) –Asynchronous function to apply to the trcks.Success values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F1 | _F2, _S2]]–Leaves trcks.Failure values unchanged and maps trcks.Success values to new trcks.AwaitableResultTuple values according to the given asynchronous function.
Examples:
>>> import asyncio
>>> from trcks import AwaitableResultTuple
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> async def slowly_expand(x: float) -> AwaitableResultTuple[str, float]:
... await asyncio.sleep(0.001)
... if x < 0:
... return "failure", "negative"
... return "success", (x, x * 2)
...
>>> expand_success = ar.map_success_to_awaitable_result_iterable(
... slowly_expand
... )
>>> a_r_tpl_1 = expand_success(ar.construct_failure("not found"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('failure', 'not found')
>>> a_r_tpl_2 = expand_success(ar.construct_success(5.0))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', (5.0, 10.0))
Source code in src/trcks/fp/monads/awaitable_result.py
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map_success_to_awaitable_result_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.map_success_to_awaitable_result_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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map_success_to_iterable(callable_, /, *args, **kwargs)
Create function that maps trcks.Success values to homogeneous tuples.
trcks.Failure values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], Iterable[_S2]]) –Synchronous function to apply to the trcks.Success values, returning an collections.abc.Iterable.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F1, _S2]]–Leaves trcks.Failure values unchanged and maps trcks.Success values to homogeneous tuples according to the given function.
Examples:
>>> import asyncio
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> def duplicate(x: float) -> tuple[float, ...]:
... return (x, x)
...
>>> duplicate_success = ar.map_success_to_iterable(duplicate)
>>> a_r_tpl_1 = duplicate_success(ar.construct_failure("not found"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('failure', 'not found')
>>> a_r_tpl_2 = duplicate_success(ar.construct_success(5.0))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', (5.0, 5.0))
Source code in src/trcks/fp/monads/awaitable_result.py
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map_success_to_result(callable_, /, *args, **kwargs)
Create function that maps trcks.AwaitableSuccess values to trcks.AwaitableResult values.
trcks.AwaitableFailure values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], Result[_F2, _S2]]) –Synchronous function to apply to trcks.AwaitableSuccess values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1 | _F2, _S2]]–Leaves trcks.AwaitableFailure values unchanged and maps trcks.AwaitableSuccess values to trcks.AwaitableFailure and trcks.AwaitableSuccess values according to the given function.
Examples:
>>> import asyncio
>>> import math
>>> from trcks import Result
>>> from trcks.fp.monads import awaitable_result as ar
>>> def _get_square_root_slowly(x: float) -> Result[str, float]:
... if x < 0:
... return "failure", "negative value"
... return "success", math.sqrt(x)
...
>>> get_square_root_slowly = ar.map_success_to_result(
... _get_square_root_slowly
... )
>>> a_rslt_1 = get_square_root_slowly(
... ar.construct_failure("not found")
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_1))
('failure', 'not found')
>>> a_rslt_2 = get_square_root_slowly(
... ar.construct_success(25.0)
... )
>>> asyncio.run(ar.to_coroutine_result(a_rslt_2))
('success', 5.0)
Source code in src/trcks/fp/_monads/awaitable_result.py
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map_success_to_result_iterable(callable_, /, *args, **kwargs)
Create function that maps trcks.Success values to new trcks.ResultTuple values.
trcks.Failure values are left unchanged.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], ResultIterable[_F2, _S2]]) –Synchronous function to apply to the trcks.Success values.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F1 | _F2, _S2]]–Leaves trcks.Failure values unchanged and maps trcks.Success values to new trcks.ResultTuple values according to the given function.
Examples:
>>> import asyncio
>>> from trcks import ResultTuple
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> def expand(x: float) -> ResultTuple[str, float]:
... if x < 0:
... return "failure", "negative"
... return "success", (x, x * 2)
...
>>> expand_success = ar.map_success_to_result_iterable(expand)
>>> a_r_tpl_1 = expand_success(ar.construct_failure("not found"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('failure', 'not found')
>>> a_r_tpl_2 = expand_success(ar.construct_success(5.0))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', (5.0, 10.0))
Source code in src/trcks/fp/monads/awaitable_result.py
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map_success_to_result_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.map_success_to_result_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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map_success_to_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.map_success_to_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_failure(callable_, /, *args, **kwargs)
Create function that applies a synchronous side effect to trcks.AwaitableFailure values.
trcks.AwaitableSuccess values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], object]) –Synchronous side effect to apply to the trcks.AwaitableFailure value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1, _S1]]–Applies the given side effect to trcks.AwaitableFailure values and returns the original trcks.AwaitableFailure value. Passes on trcks.AwaitableSuccess values without side effects.
Source code in src/trcks/fp/_monads/awaitable_result.py
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tap_failure_to_awaitable(callable_, /, *args, **kwargs)
Create function that applies an asynchronous side effect to trcks.AwaitableFailure values.
trcks.AwaitableSuccess values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], Awaitable[object]]) –Asynchronous side effect to apply to the trcks.AwaitableFailure value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1, _S1]]–Applies the given side effect to trcks.AwaitableFailure values and returns the original trcks.AwaitableFailure value. Passes on trcks.AwaitableSuccess values without side effects.
Source code in src/trcks/fp/_monads/awaitable_result.py
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tap_failure_to_awaitable_result(callable_, /, *args, **kwargs)
Create function that applies an asynchronous side effect with return type trcks.AwaitableResult to trcks.AwaitableFailure values.
trcks.AwaitableSuccess values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], AwaitableResult[object, _S2]]) –Asynchronous side effect to apply to the trcks.AwaitableFailure value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1, _S1 | _S2]]–Applies the given side effect to trcks.AwaitableFailure values. If the given side effect returns a trcks.AwaitableFailure, the original trcks.AwaitableFailure value is returned. If the given side effect returns a trcks.AwaitableSuccess, this trcks.AwaitableSuccess is returned. Passes on trcks.AwaitableSuccess values without side effects.
Source code in src/trcks/fp/_monads/awaitable_result.py
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tap_failure_to_awaitable_result_iterable(callable_, /, *args, **kwargs)
Create function that applies an asynchronous side effect with return type trcks.AwaitableResultIterable to trcks.Failure values.
trcks.Success values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], AwaitableResultIterable[object, _S2]]) –Asynchronous side effect to apply to the trcks.Failure value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F1, _S1 | _S2]]–Applies the given side effect to trcks.Failure values. If the given side effect returns a trcks.Failure, the original trcks.Failure is returned. If the given side effect returns a trcks.SuccessIterable, this trcks.SuccessIterable is returned. Passes on trcks.Success values (wrapped as a tuple) without side effects.
Examples:
>>> import asyncio
>>> from trcks import AwaitableResultTuple
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> async def recover(e: str) -> AwaitableResultTuple[object, float]:
... await asyncio.sleep(0.001)
... if e == "not found":
... return "success", (0.0, 1.0)
... return "failure", e
...
>>> recover_after_failure = ar.tap_failure_to_awaitable_result_iterable(
... recover
... )
>>> a_r_tpl_1 = recover_after_failure(ar.construct_failure("not found"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('success', (0.0, 1.0))
>>> a_r_tpl_2 = recover_after_failure(ar.construct_success(42))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', (42,))
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_failure_to_awaitable_result_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.tap_failure_to_awaitable_result_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_failure_to_iterable(callable_, /, *args, **kwargs)
Create function that applies a collections.abc.Iterable-returning side effect to trcks.Failure values.
trcks.Success values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], Iterable[object]]) –Side effect to apply to the trcks.Failure value, returning an collections.abc.Iterable.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], Awaitable[SuccessTuple[_F1] | SuccessTuple[_S1]]]–Applies the given side effect to trcks.Failure values and converts them to trcks.AwaitableSuccessTuple values containing the original failure repeated once per element in the collections.abc.Iterable returned by the side effect. Passes on trcks.Success values (wrapped as a tuple) without side effects.
Examples:
>>> import asyncio
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> def log_err(e: str) -> tuple[None, ...]:
... print(f"Error logged: {e}")
... print(f"Alert sent: {e}")
... return (None, None)
...
>>> log_failure = ar.tap_failure_to_iterable(log_err)
>>> a_r_tpl_1 = log_failure(ar.construct_failure("critical"))
>>> r_tpl_1 = asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
Error logged: critical
Alert sent: critical
>>> r_tpl_1
('success', ('critical', 'critical'))
>>> a_r_tpl_2 = log_failure(ar.construct_success(42))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', (42,))
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_failure_to_result(callable_, /, *args, **kwargs)
Create function that applies a synchronous side effect with return type trcks.Result to trcks.AwaitableFailure values.
trcks.AwaitableSuccess values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], Result[object, _S2]]) –Synchronous side effect to apply to the trcks.AwaitableFailure value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1, _S1 | _S2]]–Applies the given side effect to trcks.AwaitableFailure values. If the given side effect returns a trcks.Failure, the original trcks.AwaitableFailure value is returned. If the given side effect returns a trcks.Success, this trcks.Success is returned. Passes on trcks.AwaitableSuccess values without side effects.
Source code in src/trcks/fp/_monads/awaitable_result.py
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tap_failure_to_result_iterable(callable_, /, *args, **kwargs)
Create function that applies a side effect with return type trcks.ResultIterable to trcks.Failure values.
trcks.Success values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_F1, _P], ResultIterable[object, _S2]]) –Side effect to apply to the trcks.Failure value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F1, _S1 | _S2]]–Applies the given side effect to trcks.Failure values. If the given side effect returns a trcks.Failure, the original trcks.Failure is returned. If the given side effect returns a trcks.SuccessIterable, this trcks.SuccessIterable is returned. Passes on trcks.Success values (wrapped as a tuple) without side effects.
Examples:
>>> import asyncio
>>> from trcks import ResultTuple
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> def recover(e: str) -> ResultTuple[object, float]:
... if e == "not found":
... return "success", (0.0, 1.0)
... return "failure", e
...
>>> recover_after_failure = ar.tap_failure_to_result_iterable(recover)
>>> a_r_tpl_1 = recover_after_failure(ar.construct_failure("not found"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('success', (0.0, 1.0))
>>> a_r_tpl_2 = recover_after_failure(ar.construct_success(42))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', (42,))
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_failure_to_result_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.tap_failure_to_result_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_failure_to_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.tap_failure_to_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_success(callable_, /, *args, **kwargs)
Create function that applies a synchronous side effect to trcks.AwaitableSuccess values.
trcks.AwaitableFailure values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], object]) –Synchronous side effect to apply to the trcks.AwaitableSuccess value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1, _S1]]–Passes on trcks.AwaitableFailure values without side effects. Applies the given side effect to trcks.AwaitableSuccess values and returns the original trcks.AwaitableSuccess value.
Source code in src/trcks/fp/_monads/awaitable_result.py
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tap_success_to_awaitable(callable_, /, *args, **kwargs)
Create function that applies an asynchronous side effect to trcks.AwaitableSuccess values.
trcks.AwaitableFailure values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], Awaitable[object]]) –Asynchronous side effect to apply to the trcks.AwaitableSuccess value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1, _S1]]–Passes on trcks.AwaitableFailure values without side effects. Applies the given side effect to trcks.AwaitableSuccess values and returns the original trcks.AwaitableSuccess value.
Source code in src/trcks/fp/_monads/awaitable_result.py
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tap_success_to_awaitable_result(callable_, /, *args, **kwargs)
Create function that applies an asynchronous side effect with return type trcks.AwaitableResult to trcks.AwaitableSuccess values.
trcks.AwaitableFailure values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], AwaitableResult[_F2, object]]) –Asynchronous side effect to apply to the trcks.AwaitableSuccess value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1 | _F2, _S1]]–Passes on trcks.AwaitableFailure values without side effects. Applies the given side effect to trcks.AwaitableSuccess values. If the given side effect returns a trcks.AwaitableFailure, this trcks.AwaitableFailure is returned. If the given side effect returns a trcks.AwaitableSuccess, the original trcks.AwaitableSuccess value is returned.
Source code in src/trcks/fp/_monads/awaitable_result.py
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tap_success_to_awaitable_result_iterable(callable_, /, *args, **kwargs)
Create function that applies an asynchronous side effect with return type trcks.AwaitableResultIterable to trcks.Success values.
trcks.Failure values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], AwaitableResultIterable[_F2, object]]) –Asynchronous side effect to apply to the trcks.Success value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F1 | _F2, _S1]]–Passes on trcks.Failure values (wrapped as a tuple) without side effects. Applies the given side effect to trcks.Success values. If the given side effect returns a trcks.Failure, this trcks.Failure is returned. If the given side effect returns a trcks.SuccessIterable, the original trcks.Success value is repeated once per element in the returned trcks.SuccessIterable.
Examples:
>>> import asyncio
>>> from trcks import AwaitableResultTuple
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> async def write_twice(s: str) -> AwaitableResultTuple[str, None]:
... await asyncio.sleep(0.001)
... print(f"Wrote '{s}' twice.")
... return "success", (None, None)
...
>>> write_success_twice = ar.tap_success_to_awaitable_result_iterable(
... write_twice
... )
>>> a_r_tpl_1 = write_success_twice(ar.construct_failure("missing text"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('failure', 'missing text')
>>> a_r_tpl_2 = write_success_twice(ar.construct_success("Hello, world!"))
>>> r_tpl_2 = asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
Wrote 'Hello, world!' twice.
>>> r_tpl_2
('success', ('Hello, world!', 'Hello, world!'))
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_success_to_awaitable_result_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.tap_success_to_awaitable_result_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_success_to_iterable(callable_, /, *args, **kwargs)
Create function that applies a collections.abc.Iterable-returning side effect to trcks.Success values.
trcks.Failure values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], Iterable[object]]) –Side effect to apply to the trcks.Success value, returning an collections.abc.Iterable.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F1, _S1]]–Passes on trcks.Failure values (wrapped as a tuple) without side effects. Applies the given side effect to trcks.Success values and repeats the original element once per element in the collections.abc.Iterable returned by the side effect.
Examples:
>>> import asyncio
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> def log_mult(n: int) -> tuple[None, ...]:
... print(f"v={n}")
... print(f"v={n}")
... return (None, None)
...
>>> log_success = ar.tap_success_to_iterable(log_mult)
>>> a_r_tpl_1 = log_success(ar.construct_failure("error"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('failure', 'error')
>>> a_r_tpl_2 = log_success(ar.construct_success(7))
>>> r_tpl_2 = asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
v=7
v=7
>>> r_tpl_2
('success', (7, 7))
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_success_to_result(callable_, /, *args, **kwargs)
Create function that applies a synchronous side effect with return type trcks.Result to trcks.AwaitableSuccess values.
trcks.AwaitableFailure values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], Result[_F2, object]]) –Synchronous side effect to apply to the trcks.AwaitableSuccess value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResult[_F1 | _F2, _S1]]–Passes on trcks.AwaitableFailure values without side effects. Applies the given side effect to trcks.AwaitableSuccess values. If the given side effect returns a trcks.Failure, this trcks.Failure is returned. If the given side effect returns a trcks.Success, the original trcks.AwaitableSuccess value is returned.
Source code in src/trcks/fp/_monads/awaitable_result.py
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tap_success_to_result_iterable(callable_, /, *args, **kwargs)
Create function that applies a side effect with return type trcks.ResultIterable to trcks.Success values.
trcks.Failure values are passed on without side effects.
Parameters:
-
callable_(Callable[Concatenate[_S1, _P], ResultIterable[_F2, object]]) –Side effect to apply to the trcks.Success value.
-
*args(args, default:()) –Positional arguments to be passed to
callable_. -
**kwargs(kwargs, default:{}) –Keyword arguments to be passed to
callable_.
Returns:
-
Callable[[AwaitableResult[_F1, _S1]], AwaitableResultTuple[_F1 | _F2, _S1]]–Passes on trcks.Failure values (wrapped as a tuple) without side effects. Applies the given side effect to trcks.Success values. If the given side effect returns a trcks.Failure, this trcks.Failure is returned. If the given side effect returns a trcks.SuccessIterable, the original trcks.Success value is repeated once per element in the returned trcks.SuccessIterable.
Examples:
>>> import asyncio
>>> from trcks import ResultTuple
>>> from trcks.fp.monads import awaitable_result as ar
>>> from trcks.fp.monads import awaitable_result_tuple as art
>>> def audit(s: str) -> ResultTuple[str, None]:
... if s:
... return "success", (None, None)
... return "failure", "empty"
...
>>> audit_success = ar.tap_success_to_result_iterable(audit)
>>> a_r_tpl_1 = audit_success(ar.construct_failure("missing"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_1))
('failure', 'missing')
>>> a_r_tpl_2 = audit_success(ar.construct_success("Hello, world!"))
>>> asyncio.run(art.to_coroutine_result_tuple(a_r_tpl_2))
('success', ('Hello, world!', 'Hello, world!'))
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_success_to_result_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.tap_success_to_result_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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tap_success_to_tuple(callable_, /, *args, **kwargs)
Deprecated alias for trcks.fp.monads.awaitable_result.tap_success_to_iterable.
Source code in src/trcks/fp/monads/awaitable_result.py
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to_coroutine_result(a_rslt)
async
Turn a trcks.AwaitableResult into a collections.abc.Coroutine.
This is useful for functions that expect a coroutine (e.g. asyncio.run in Python 3.13 and older).
Parameters:
-
a_rslt(AwaitableResult[_F, _S]) –The trcks.AwaitableResult to be transformed into a collections.abc.Coroutine.
Returns:
-
Result[_F, _S]–The given trcks.AwaitableResult transformed into a collections.abc.Coroutine.
Examples:
>>> import asyncio
>>> from trcks import Result
>>> from trcks.fp.monads import awaitable_result as ar
>>> loop = asyncio.new_event_loop()
>>> future: asyncio.Future[Result[str, int]] = loop.create_future()
>>> future.set_result(("success", 42))
>>> future
<Future finished result=('success', 42)>
>>> coro = ar.to_coroutine_result(future)
>>> coro
<coroutine object to_coroutine_result at 0x...>
>>> loop.run_until_complete(coro)
('success', 42)
>>> loop.close()
Source code in src/trcks/fp/_monads/awaitable_result.py
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