Trait result::ResultOptionExt

pub trait ResultOptionExt {
    type Out;
    fn invert(self) -> Self::Out;
}

Extension trait for nested Option and Result types.

Associated Types

type Out

The inverted output type of the operation.

Required Methods

fn invert(self) -> Self::Out

Inverts a nested Option<Result<T, E>> or Result<Option<T>, E>

Implementors

• impl<T, E> OptionResultExt for Option<Result<T, E>> type Out = Result<Option<T>, E>;
• impl<T, E> ResultOptionExt for Result<Option<T>, E> type Out = Option<Result<T, E>>;