[config.git] / djavu-asus / elpy / rpc-venv / lib / python3.11 / site-packages / black / rusty.py

"""An error-handling model influenced by that used by the Rust programming language

See https://doc.rust-lang.org/book/ch09-00-error-handling.html.
"""
from typing import Generic, TypeVar, Union

T = TypeVar("T")
E = TypeVar("E", bound=Exception)


class Ok(Generic[T]):
    def __init__(self, value: T) -> None:
        self._value = value

    def ok(self) -> T:
        return self._value


class Err(Generic[E]):
    def __init__(self, e: E) -> None:
        self._e = e

    def err(self) -> E:
        return self._e


Result = Union[Ok[T], Err[E]]
Commit	Line	Data
53e6db90 DC	1	"""An error-handling model influenced by that used by the Rust programming language
	2
	3	See https://doc.rust-lang.org/book/ch09-00-error-handling.html.
	4	"""
	5	from typing import Generic, TypeVar, Union
	6
	7	T = TypeVar("T")
	8	E = TypeVar("E", bound=Exception)
	9
	10
	11	class Ok(Generic[T]):
	12	def __init__(self, value: T) -> None:
	13	self._value = value
	14
	15	def ok(self) -> T:
	16	return self._value
	17
	18
	19	class Err(Generic[E]):
	20	def __init__(self, e: E) -> None:
	21	self._e = e
	22
	23	def err(self) -> E:
	24	return self._e
	25
	26
	27	Result = Union[Ok[T], Err[E]]