Trait ResultOptionalExt 

pub trait ResultOptionalExt<T, E: Error + Debug + 'static>: Sized {
    // Required method
    fn optional(self) -> Result<Option<T>, TxnErr<E>>;
}

Required Methods

fn optional(self) -> Result<Option<T>, TxnErr<E>>

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<T, E: Error + Debug + 'static> ResultOptionalExt<T, E> for Result<T, GetExternalError<E>>

fn optional(self) -> Result<Option<T>, TxnErr<E>>

Implementors