Struct Take 

pub struct Take<R> { /* private fields */ }

Reader adapter which limits the bytes read from an underlying reader.

Created by calling [Read::take].

Implementations

impl<R: Read> Take<R>

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

Reads all bytes until EOF from the underlying reader into buf.

Allocates space in buf as needed.

Returns

The number of bytes read if successful or an Error if reading fails.

Trait Implementations

impl<R: BufRead> BufRead for Take<R>

fn fill_buf(&mut self) -> Result<&[u8]>

Returns data read from this reader, filling the internal buffer if needed.

fn consume(&mut self, amount: usize)

Marks the buffered data up to amount as consumed.

impl<R: Debug> Debug for Take<R>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<R: Read> Read for Take<R>

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

Reads bytes from source into buf.

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

Reads bytes from source until buf is full.

fn take(self, limit: u64) -> Take<Self>

where Self: Sized,

Constructs a new adapter which will read at most limit bytes.

fn read_to_limit(&mut self, buf: &mut Vec<u8>, limit: u64) -> Result<usize>

Attempts to read up to limit bytes from the reader, allocating space in buf as needed.