Source code for stdlibx.result.fn.option

 1from __future__ import annotations
 2
 3from typing import TYPE_CHECKING, TypeVar
 4
 5from stdlibx.result import Result, methods
 6
 7if TYPE_CHECKING:
 8    from stdlibx.option import Option
 9    from stdlibx.result._types import Operation
10
11T = TypeVar("T")
12E = TypeVar("E")
13U = TypeVar("U")
14
15

[docs]
16def ok() -> Operation[Result[T, E], Option[T]]:
17    return methods.ok

18
19

[docs]
20def err() -> Operation[Result[T, E], Option[E]]:
21    return methods.err

22
23

[docs]
24def transpose() -> Operation[Result[Option[U], E], Option[Result[U, E]]]:
25    return methods.transpose