trcks.oop.TupleWrapper
Bases: BaseWrapper[tuple[_T_co, ...]]
Type-safe and immutable wrapper for homogeneous tuple objects.
The wrapped homogeneous tuple can be accessed
via the attribute trcks.oop.TupleWrapper.core.
The trcks.oop.TupleWrapper.map* methods allow method chaining.
The trcks.oop.TupleWrapper.tap* methods allow for side effects
without changing the wrapped tuple.
Example
Create and process a homogeneous tuple:
>>> from trcks.oop import TupleWrapper
>>> def double_integer(n: int) -> int:
... return n * 2
...
>>> def log_integer(n: int) -> None:
... print(f"Received: {n}")
...
>>> tuple_wrapper: TupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2, 3))
... .map(double_integer)
... .tap(log_integer)
... )
Received: 2
Received: 4
Received: 6
>>> tuple_wrapper
TupleWrapper(core=(2, 4, 6))
Map each element to a homogeneous tuple and flatten the result:
>>> from trcks.oop import TupleWrapper
>>> def duplicate_integer(n: int) -> tuple[int, int]:
... return n, n
...
>>> tuple_wrapper: TupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2, 3))
... .map_to_iterable(duplicate_integer)
... )
>>> tuple_wrapper
TupleWrapper(core=(1, 1, 2, 2, 3, 3))
Source code in src/trcks/oop/_tuple_wrapper.py
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construct(value)
staticmethod
Construct and wrap a tuple from a single value.
Parameters:
-
value(_T) –The value to be wrapped in a tuple.
Returns:
-
TupleWrapper[_T]–A new trcks.oop.TupleWrapper instance with a tuple containing the single value.
Example
>>> from trcks.oop import TupleWrapper
>>> tuple_wrapper: TupleWrapper[int] = TupleWrapper.construct(42)
>>> tuple_wrapper
TupleWrapper(core=(42,))
Source code in src/trcks/oop/_tuple_wrapper.py
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construct_from_iterable(it)
staticmethod
Wrap a collections.abc.Iterable object and convert it into a tuple.
Parameters:
-
it(Iterable[_T]) –The collections.abc.Iterable to be wrapped and converted.
Returns:
-
TupleWrapper[_T]–A new trcks.oop.TupleWrapper instance with the wrapped collections.abc.Iterable converted into a tuple.
Example
>>> from trcks.oop import TupleWrapper
>>> tuple_wrapper: TupleWrapper[int] = TupleWrapper.construct_from_iterable(
... [1, 2, 3]
... )
>>> tuple_wrapper
TupleWrapper(core=(1, 2, 3))
Source code in src/trcks/oop/_tuple_wrapper.py
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construct_from_tuple(tpl)
classmethod
Deprecated alias for construct_from_iterable.
Source code in src/trcks/oop/_tuple_wrapper.py
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map(f)
Apply a synchronous function to each element in the wrapped homogeneous tuple.
Parameters:
-
f(Callable[[_T_co], _T]) –The synchronous function to be applied to each element.
Returns:
-
TupleWrapper[_T]–A new trcks.oop.TupleWrapper instance with a homogeneous tuple containing the results of applying the function to each element.
Example
>>> from trcks.oop import TupleWrapper
>>> def double_integer(n: int) -> int:
... return n * 2
...
>>> tuple_wrapper: TupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2, 3))
... .map(double_integer)
... )
>>> tuple_wrapper
TupleWrapper(core=(2, 4, 6))
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_awaitable(f)
Apply an asynchronous function to each element in the wrapped homogeneous tuple.
Parameters:
Returns:
-
AwaitableTupleWrapper[_T]–An trcks.oop.AwaitableTupleWrapper instance with an awaitable homogeneous tuple containing the results of applying the function to each element.
Example
>>> import asyncio
>>> from trcks.oop import AwaitableTupleWrapper, TupleWrapper
>>> async def slowly_add_one(n: int) -> int:
... await asyncio.sleep(0.001)
... return n + 1
...
>>> awaitable_tuple_wrapper: AwaitableTupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2, 3))
... .map_to_awaitable(slowly_add_one)
... )
>>> awaitable_tuple_wrapper
AwaitableTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_tuple_wrapper.core_as_coroutine)
(2, 3, 4)
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_awaitable_iterable(f)
Apply an asynchronous function returning a trcks.AwaitableIterable to each element in the wrapped homogeneous tuple and flatten.
Parameters:
-
f(Callable[[_T_co], AwaitableIterable[_T]]) –The asynchronous function to be applied to each element, returning a trcks.AwaitableIterable.
Returns:
-
AwaitableTupleWrapper[_T]–An trcks.oop.AwaitableTupleWrapper instance with the flattened awaitable homogeneous tuple.
Example
>>> import asyncio
>>> from trcks.oop import TupleWrapper
>>> async def slowly_duplicate(n: int) -> tuple[int, int]:
... await asyncio.sleep(0.001)
... return n, n
...
>>> awaitable_tuple_wrapper: AwaitableTupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2))
... .map_to_awaitable_iterable(slowly_duplicate)
... )
>>> awaitable_tuple_wrapper
AwaitableTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_tuple_wrapper.core_as_coroutine)
(1, 1, 2, 2)
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_awaitable_result(f)
Apply an asynchronous function with return type trcks.Result to each element in the wrapped homogeneous tuple.
Wrapped objects short-circuit on the first trcks.Failure.
Parameters:
-
f(Callable[[_T_co], AwaitableResult[_F, _S]]) –The asynchronous function to be applied to each element.
Returns:
-
AwaitableResultTupleWrapper[_F, _S]–An trcks.oop.AwaitableResultTupleWrapper instance with
- the first trcks.Failure returned by the function, or
- a trcks.SuccessTuple if the function returns trcks.Success for all elements.
Example
>>> import asyncio
>>> from trcks import Result
>>> from trcks.oop import AwaitableResultTupleWrapper, TupleWrapper
>>> async def slowly_double_if_positive(n: int) -> Result[str, int]:
... await asyncio.sleep(0.001)
... if n > 0:
... return "success", n * 2
... return "failure", "negative"
...
>>> awaitable_result_tuple_wrapper_1: AwaitableResultTupleWrapper[
... str, int
... ] = (
... TupleWrapper
... .construct_from_iterable((1, 2))
... .map_to_awaitable_result(slowly_double_if_positive)
... )
>>> awaitable_result_tuple_wrapper_1
AwaitableResultTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_result_tuple_wrapper_1.core_as_coroutine)
('success', (2, 4))
>>>
>>> awaitable_result_tuple_wrapper_2: AwaitableResultTupleWrapper[
... str, int
... ] = (
... TupleWrapper
... .construct_from_iterable((1, -1, 2))
... .map_to_awaitable_result(slowly_double_if_positive)
... )
>>> awaitable_result_tuple_wrapper_2
AwaitableResultTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_result_tuple_wrapper_2.core_as_coroutine)
('failure', 'negative')
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_awaitable_result_iterable(f)
Apply an asynchronous function with return type trcks.AwaitableResultIterable to each element in the wrapped homogeneous tuple and flatten.
Wrapped objects short-circuit on the first trcks.Failure.
Parameters:
-
f(Callable[[_T_co], AwaitableResultIterable[_F, _S]]) –The asynchronous function to be applied to each element.
Returns:
-
AwaitableResultTupleWrapper[_F, _S]–An trcks.oop.AwaitableResultTupleWrapper instance with
- the first trcks.Failure returned by the function, or
- a flattened awaitable trcks.SuccessTuple if the function returns trcks.SuccessTuple for all elements.
Example
>>> import asyncio
>>> from trcks import ResultTuple
>>> from trcks.oop import AwaitableResultTupleWrapper, TupleWrapper
>>> async def slowly_expand_if_positive(n: int) -> ResultTuple[str, int]:
... await asyncio.sleep(0.001)
... if n > 0:
... return "success", (n, -n)
... return "failure", "negative"
...
>>> awaitable_result_tuple_wrapper_1: AwaitableResultTupleWrapper[
... str, int
... ] = (
... TupleWrapper
... .construct_from_iterable((1, 2))
... .map_to_awaitable_result_iterable(slowly_expand_if_positive)
... )
>>> awaitable_result_tuple_wrapper_1
AwaitableResultTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_result_tuple_wrapper_1.core_as_coroutine)
('success', (1, -1, 2, -2))
>>>
>>> awaitable_result_tuple_wrapper_2: AwaitableResultTupleWrapper[
... str, int
... ] = (
... TupleWrapper
... .construct_from_iterable((1, -1, 2))
... .map_to_awaitable_result_iterable(slowly_expand_if_positive)
... )
>>> awaitable_result_tuple_wrapper_2
AwaitableResultTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_result_tuple_wrapper_2.core_as_coroutine)
('failure', 'negative')
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_awaitable_result_tuple(f)
Deprecated alias for trcks.oop.TupleWrapper.map_to_awaitable_result_iterable.
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_awaitable_tuple(f)
Deprecated alias for trcks.oop.TupleWrapper.map_to_awaitable_iterable.
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_iterable(f)
Apply a function returning an collections.abc.Iterable to each element in the wrapped homogeneous tuple and flatten the result.
Parameters:
-
f(Callable[[_T_co], Iterable[_T]]) –The function to be applied to each element, returning an collections.abc.Iterable.
Returns:
-
TupleWrapper[_T]–A new trcks.oop.TupleWrapper instance with the flattened homogeneous tuple.
Example
>>> from trcks.oop import TupleWrapper
>>> def duplicate_integer(n: int) -> tuple[int, int]:
... return n, n
...
>>> tuple_wrapper: TupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2, 3))
... .map_to_iterable(duplicate_integer)
... )
>>> tuple_wrapper
TupleWrapper(core=(1, 1, 2, 2, 3, 3))
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_result(f)
Apply a synchronous function with return type trcks.Result to each element in the wrapped homogeneous tuple.
Parameters:
Returns:
-
ResultTupleWrapper[_F, _S]–A trcks.oop.ResultTupleWrapper instance with
- the first trcks.Failure returned by the function, or
- a trcks.SuccessTuple with all transformed elements if the function returns trcks.Success for all elements.
Example
>>> from trcks import Result
>>> from trcks.oop import TupleWrapper
>>> def double_if_positive(n: int) -> Result[str, int]:
... if n > 0:
... return "success", n * 2
... return "failure", "negative"
...
>>> TupleWrapper.construct_from_iterable(
... (1, 2, 3)
... ).map_to_result(double_if_positive)
ResultTupleWrapper(core=('success', (2, 4, 6)))
>>>
>>> TupleWrapper.construct_from_iterable(
... (1, -1, 2)
... ).map_to_result(double_if_positive)
ResultTupleWrapper(core=('failure', 'negative'))
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_result_iterable(f)
Apply a synchronous function with return type trcks.ResultIterable to each element in the wrapped homogeneous tuple and flatten.
Parameters:
-
f(Callable[[_T_co], ResultIterable[_F, _S]]) –The synchronous function to be applied to each element.
Returns:
-
ResultTupleWrapper[_F, _S]–A trcks.oop.ResultTupleWrapper instance with
- the first trcks.Failure returned by the function, or
- a flattened trcks.SuccessTuple if the function returns trcks.SuccessTuple for all elements.
Example
>>> from trcks import ResultTuple
>>> from trcks.oop import TupleWrapper
>>> def expand_if_positive(n: int) -> ResultTuple[str, int]:
... if n > 0:
... return "success", (n, -n)
... return "failure", "negative"
...
>>> TupleWrapper.construct_from_iterable(
... (1, 2)
... ).map_to_result_iterable(expand_if_positive)
ResultTupleWrapper(core=('success', (1, -1, 2, -2)))
>>>
>>> TupleWrapper.construct_from_iterable(
... (1, -1, 2)
... ).map_to_result_iterable(expand_if_positive)
ResultTupleWrapper(core=('failure', 'negative'))
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_result_tuple(f)
Deprecated alias for trcks.oop.TupleWrapper.map_to_result_iterable.
Source code in src/trcks/oop/_tuple_wrapper.py
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map_to_tuple(f)
Deprecated alias for trcks.oop.TupleWrapper.map_to_iterable.
Source code in src/trcks/oop/_tuple_wrapper.py
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tap(f)
Apply a synchronous side effect to each element in the wrapped homogeneous tuple.
Parameters:
Returns:
-
TupleWrapper[_T_co]–A new trcks.oop.TupleWrapper instance with the original homogeneous tuple.
Example
>>> from trcks.oop import TupleWrapper
>>> def log_integer(n: int) -> None:
... print(f"Received: {n}")
...
>>> tuple_wrapper: TupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2, 3))
... .tap(log_integer)
... )
Received: 1
Received: 2
Received: 3
>>> tuple_wrapper
TupleWrapper(core=(1, 2, 3))
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_awaitable(f)
Apply an asynchronous side effect to each element in the wrapped homogeneous tuple.
Parameters:
-
f(Callable[[_T_co], Awaitable[object]]) –The asynchronous side effect to be applied to each element.
Returns:
-
AwaitableTupleWrapper[_T_co]–An trcks.oop.AwaitableTupleWrapper instance with the original awaitable homogeneous tuple.
Example
>>> import asyncio
>>> from trcks.oop import TupleWrapper
>>> async def slowly_log_integer(n: int) -> None:
... await asyncio.sleep(0.001)
... print(f"Received: {n}")
...
>>> awaitable_tuple_wrapper: AwaitableTupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2, 3))
... .tap_to_awaitable(slowly_log_integer)
... )
>>> awaitable_tuple_wrapper
AwaitableTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_tuple_wrapper.core_as_coroutine)
Received: 1
Received: 2
Received: 3
(1, 2, 3)
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_awaitable_iterable(f)
Apply an asynchronous side effect returning a trcks.AwaitableIterable to each element in the wrapped homogeneous tuple.
Parameters:
-
f(Callable[[_T_co], AwaitableIterable[object]]) –The asynchronous side effect to be applied to each element, returning a trcks.AwaitableIterable.
Returns:
-
AwaitableTupleWrapper[_T_co]–An trcks.oop.AwaitableTupleWrapper instance with the original awaitable homogeneous tuple.
Example
>>> import asyncio
>>> from trcks.oop import AwaitableTupleWrapper, TupleWrapper
>>> async def write_to_disk(n: int) -> tuple[str, str]:
... await asyncio.sleep(0.001)
... print(f"Wrote {n} to disk.")
... return str(n), str(n)
...
>>> awaitable_tuple_wrapper: AwaitableTupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2, 3))
... .tap_to_awaitable_iterable(write_to_disk)
... )
>>> awaitable_tuple_wrapper
AwaitableTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_tuple_wrapper.core_as_coroutine)
Wrote 1 to disk.
Wrote 2 to disk.
Wrote 3 to disk.
(1, 1, 2, 2, 3, 3)
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_awaitable_result(f)
Apply an asynchronous side effect with return type trcks.Result to each element in the wrapped homogeneous tuple.
Parameters:
-
f(Callable[[_T_co], AwaitableResult[_F, object]]) –The asynchronous side effect to be applied to each element.
Returns:
-
AwaitableResultTupleWrapper[_F, _T_co]–An trcks.oop.AwaitableResultTupleWrapper instance with
- the returned trcks.Failure if the applied side effect returns a trcks.Failure or
- the original homogeneous tuple with each element repeated for the first trcks.Success if all succeed.
Example
>>> import asyncio
>>> from trcks import Result, ResultTuple
>>> from trcks.oop import AwaitableResultTupleWrapper, TupleWrapper
>>> async def slowly_check_if_positive(n: int) -> Result[str, None]:
... await asyncio.sleep(0.001)
... if n > 0:
... return "success", None
... return "failure", "negative"
...
>>> awaitable_result_tuple_wrapper_1: AwaitableResultTupleWrapper[
... str, int
... ] = (
... TupleWrapper
... .construct_from_iterable((1, 2))
... .tap_to_awaitable_result(slowly_check_if_positive)
... )
>>> awaitable_result_tuple_wrapper_1
AwaitableResultTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_result_tuple_wrapper_1.core_as_coroutine)
('success', (1, 2))
>>>
>>> awaitable_result_tuple_wrapper_2: AwaitableResultTupleWrapper[
... str, int
... ] = (
... TupleWrapper
... .construct_from_iterable((1, -1, 2))
... .tap_to_awaitable_result(slowly_check_if_positive)
... )
>>> awaitable_result_tuple_wrapper_2
AwaitableResultTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_result_tuple_wrapper_2.core_as_coroutine)
('failure', 'negative')
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_awaitable_result_iterable(f)
Apply an asynchronous side effect with return type trcks.AwaitableResultIterable to each element in the wrapped homogeneous tuple.
Parameters:
-
f(Callable[[_T_co], AwaitableResultIterable[_F, object]]) –The asynchronous side effect to be applied to each element.
Returns:
-
AwaitableResultTupleWrapper[_F, _T_co]–An trcks.oop.AwaitableResultTupleWrapper instance with
- the returned trcks.Failure if the applied side effect returns a trcks.Failure or
- the original element repeated once per element in the side effect output for each element if all succeed.
Example
>>> import asyncio
>>> from trcks import ResultTuple
>>> from trcks.oop import AwaitableResultTupleWrapper, TupleWrapper
>>> async def audit(n: int) -> ResultTuple[str, None]:
... await asyncio.sleep(0.001)
... if n > 0:
... return "success", (None, None)
... return "failure", "negative"
...
>>> awaitable_result_tuple_wrapper_1: AwaitableResultTupleWrapper[
... str, int
... ] = (
... TupleWrapper
... .construct_from_iterable((1, 2))
... .tap_to_awaitable_result_iterable(audit)
... )
>>> awaitable_result_tuple_wrapper_1
AwaitableResultTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_result_tuple_wrapper_1.core_as_coroutine)
('success', (1, 1, 2, 2))
>>>
>>> awaitable_result_tuple_wrapper_2: AwaitableResultTupleWrapper[
... str, int
... ] = (
... TupleWrapper
... .construct_from_iterable((1, -1, 2))
... .tap_to_awaitable_result_iterable(audit)
... )
>>> awaitable_result_tuple_wrapper_2
AwaitableResultTupleWrapper(core=<coroutine object ...>)
>>> asyncio.run(awaitable_result_tuple_wrapper_2.core_as_coroutine)
('failure', 'negative')
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_awaitable_result_tuple(f)
Deprecated alias for trcks.oop.TupleWrapper.tap_to_awaitable_result_iterable.
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_awaitable_tuple(f)
Deprecated alias for trcks.oop.TupleWrapper.tap_to_awaitable_iterable.
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_iterable(f)
Apply a side effect returning an collections.abc.Iterable to each element in the wrapped homogeneous tuple.
Parameters:
Returns:
-
TupleWrapper[_T_co]–A new trcks.oop.TupleWrapper instance with the original homogeneous tuple.
Example
>>> from trcks.oop import TupleWrapper
>>> def get_divisors(n: int) -> tuple[int, ...]:
... candidates = range(1, n + 1)
... return tuple(c for c in candidates if n % c == 0)
...
>>> tuple_wrapper: TupleWrapper[int] = (
... TupleWrapper
... .construct_from_iterable((1, 2, 3, 4))
... .tap_to_iterable(get_divisors)
... )
>>> tuple_wrapper
TupleWrapper(core=(1, 2, 2, 3, 3, 4, 4, 4))
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_result(f)
Apply a synchronous side effect with return type trcks.Result to each element in the wrapped homogeneous tuple.
Parameters:
-
f(Callable[[_T_co], Result[_F, object]]) –The synchronous side effect to be applied to each element.
Returns:
-
ResultTupleWrapper[_F, _T_co]–A trcks.oop.ResultTupleWrapper instance with
- the returned trcks.Failure if the applied side effect returns a trcks.Failure or
- the original trcks.SuccessTuple if the applied side effect returns trcks.Success for all elements.
Example
>>> from trcks import Result
>>> from trcks.oop import TupleWrapper
>>> def audit(n: int) -> Result[str, None]:
... if n > 0:
... return "success", None
... return "failure", "negative"
...
>>> TupleWrapper.construct_from_iterable(
... (1, 2)
... ).tap_to_result(audit)
ResultTupleWrapper(core=('success', (1, 2)))
>>>
>>> TupleWrapper.construct_from_iterable(
... (1, -1, 2)
... ).tap_to_result(audit)
ResultTupleWrapper(core=('failure', 'negative'))
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_result_iterable(f)
Apply a synchronous side effect with return type trcks.ResultIterable to each element in the wrapped homogeneous tuple.
Parameters:
-
f(Callable[[_T_co], ResultIterable[_F, object]]) –The synchronous side effect to be applied to each element.
Returns:
-
ResultTupleWrapper[_F, _T_co]–A trcks.oop.ResultTupleWrapper instance with
- the returned trcks.Failure if the applied side effect returns a trcks.Failure or
- the original trcks.SuccessTuple element repeated once per element in the side effect output if the applied side effect returns trcks.SuccessTuple for all elements.
Example
>>> from trcks import ResultTuple
>>> from trcks.oop import TupleWrapper
>>> def audit(n: int) -> ResultTuple[str, None]:
... if n > 0:
... return "success", (None, None)
... return "failure", "negative"
...
>>> TupleWrapper.construct_from_iterable(
... (7,)
... ).tap_to_result_iterable(audit)
ResultTupleWrapper(core=('success', (7, 7)))
>>>
>>> TupleWrapper.construct_from_iterable(
... (1, -1)
... ).tap_to_result_iterable(audit)
ResultTupleWrapper(core=('failure', 'negative'))
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_result_tuple(f)
Deprecated alias for trcks.oop.TupleWrapper.tap_to_result_iterable.
Source code in src/trcks/oop/_tuple_wrapper.py
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tap_to_tuple(f)
Deprecated alias for trcks.oop.TupleWrapper.tap_to_iterable.
Source code in src/trcks/oop/_tuple_wrapper.py
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