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Struct std::io::Empty

pub struct Empty { /* fields omitted */ }

A reader which is always at EOF.

This struct is generally created by calling empty. Please see the documentation of empty() for more details.

Trait Implementations

impl Read for Empty[src]

fn read_vectored(&mut self, bufs: &mut [IoSliceMut]) -> Result<usize>[src]1.36.0

Like read, except that it reads into a slice of buffers. Read more

fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>[src]

Read all bytes until EOF in this source, placing them into buf. Read more

fn read_to_string(&mut self, buf: &mut String) -> Result<usize>[src]

Read all bytes until EOF in this source, appending them to buf. Read more

fn read_exact(&mut self, buf: &mut [u8]) -> Result<()>[src]1.6.0

Read the exact number of bytes required to fill buf. Read more

fn by_ref(&mut self) -> &mut Self where
    Self: Sized, 
[src]

‚ďėImportant traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
    F: Unpin + Future + ?Sized, 
    type Output = <F as Future>::Output;
impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized, 
    type Item = <I as Iterator>::Item;
impl<'_, R: Read + ?Sized> Read for &'_ mut R
impl<'_, W: Write + ?Sized> Write for &'_ mut W

Creates a "by reference" adaptor for this instance of Read. Read more

fn bytes(self) -> Bytes<Self> where
    Self: Sized, 
[src]

‚ďėImportant traits for Bytes<R>
impl<R: Read> Iterator for Bytes<R>
    type Item = Result<u8>;

Transforms this Read instance to an [Iterator] over its bytes. Read more

fn chain<R: Read>(self, next: R) -> Chain<Self, R> where
    Self: Sized, 
[src]

‚ďėImportant traits for Chain<T, U>
impl<T: Read, U: Read> Read for Chain<T, U>

Creates an adaptor which will chain this stream with another. Read more

fn take(self, limit: u64) -> Take<Self> where
    Self: Sized, 
[src]

‚ďėImportant traits for Take<T>
impl<T: Read> Read for Take<T>

Creates an adaptor which will read at most limit bytes from it. Read more

impl BufRead for Empty[src]

fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize>[src]

Read all bytes into buf until the delimiter byte or EOF is reached. Read more

fn read_line(&mut self, buf: &mut String) -> Result<usize>[src]

Read all bytes until a newline (the 0xA byte) is reached, and append them to the provided buffer. Read more

fn split(self, byte: u8) -> Split<Self> where
    Self: Sized, 
[src]

‚ďėImportant traits for Split<B>
impl<B: BufRead> Iterator for Split<B>
    type Item = Result<Vec<u8>>;

Returns an iterator over the contents of this reader split on the byte byte. Read more

fn lines(self) -> Lines<Self> where
    Self: Sized, 
[src]

‚ďėImportant traits for Lines<B>
impl<B: BufRead> Iterator for Lines<B>
    type Item = Result<String>;

Returns an iterator over the lines of this reader. Read more

impl Debug for Empty[src]1.16.0

Auto Trait Implementations

impl UnwindSafe for Empty

impl RefUnwindSafe for Empty

impl Unpin for Empty

impl Send for Empty

impl Sync for Empty

Blanket Implementations

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> From<T> for T[src]

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized, 
[src]

‚ďėImportant traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
    F: Unpin + Future + ?Sized, 
    type Output = <F as Future>::Output;
impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized, 
    type Item = <I as Iterator>::Item;
impl<'_, R: Read + ?Sized> Read for &'_ mut R
impl<'_, W: Write + ?Sized> Write for &'_ mut W

impl<T> BorrowMut<T> for T where
    T: ?Sized, 
[src]

‚ďėImportant traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
    F: Unpin + Future + ?Sized, 
    type Output = <F as Future>::Output;
impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized, 
    type Item = <I as Iterator>::Item;
impl<'_, R: Read + ?Sized> Read for &'_ mut R
impl<'_, W: Write + ?Sized> Write for &'_ mut W

impl<T> Any for T where
    T: 'static + ?Sized, 
[src]

© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/io/struct.Empty.html