Struct OptionResultBridge 

pub struct OptionResultBridge;

Utilities for converting between Option and Result in a typed fashion.

Implementations

impl OptionResultBridge

pub fn to_result<T, E>(opt: Option<T>, err: E) -> Result<T, E>

Convert Option<T> to Result<T, E> with a supplied error.

pub fn to_result_with<T, E>( opt: Option<T>, f: impl FnOnce() -> E, ) -> Result<T, E>

Convert Option<T> to Result<T, E> with a lazy error.

pub fn from_result_ok<T, E>(r: Result<T, E>) -> Option<T>

Convert Result<T, E> to Option<T>, discarding the error.

pub fn from_result_err<T, E>(r: Result<T, E>) -> Option<E>

Convert Result<T, E> to Option<E>, discarding the success.

pub fn transpose_result<T, E>(r: Result<Option<T>, E>) -> Option<Result<T, E>>

Transpose Result<Option<T>, E> to Option<Result<T, E>>.