Trait LastError 

pub trait LastError {
    type Output;

    // Required method
    fn last_error(self) -> IoResult<Self::Output>;
}

Trait to convert a failed value to Result with last os error

Required Associated Types

type Output

Required Methods

fn last_error(self) -> IoResult<Self::Output>

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl LastError for bool

implements LastError for bool

type Output = bool

fn last_error(self) -> IoResult<Self::Output>

impl<T> LastError for *const T

implements LastError for null-pointer

type Output = *const T

fn last_error(self) -> IoResult<Self::Output>

impl<T> LastError for *mut T

implements LastError for null-pointer

type Output = *mut T

fn last_error(self) -> IoResult<Self::Output>

impl<T> LastError for Option<T>

implements LastError for Option

type Output = T

fn last_error(self) -> IoResult<Self::Output>

Implementors