Struct BufMut 

pub struct BufMut<'a> { /* private fields */ }

Potentially uninitialised buffer that can never be deinitialised after it has been initialised.

Implementations

impl<'a> BufMut<'a>

pub fn len(&self) -> usize

Length of the buffer.

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

Copy non-overlapping memory from buf to self.

Requires that self.len() >= buf.len(). Doesn’t change where the buffer self points to.

Errors

Errors when buf.len() > self.buf.len(), without doing any copying.

pub fn reborrow<'b>(&'b mut self) -> BufMut<'b>

where 'a: 'b,

pub fn restrict<'b, I>(&'b mut self, range: I) -> BufMut<'b>

where I: SliceIndex<[MaybeUninit<u8>], Output = [MaybeUninit<u8>]>, 'a: 'b,

pub fn restrict_inplace<'b, I>(&'b mut self, range: I)

where I: SliceIndex<[MaybeUninit<u8>], Output = [MaybeUninit<u8>]>, 'a: 'b,

Trait Implementations

impl<'a> From<&'a mut [MaybeUninit<u8>]> for BufMut<'a>

fn from(buf: &'a mut [MaybeUninit<u8>]) -> Self

Converts to this type from the input type.

impl<'a> From<&'a mut [u8]> for BufMut<'a>

fn from(slice: &'a mut [u8]) -> Self

Converts to this type from the input type.

impl<'a> Writer for BufMut<'a>

fn finish(self) -> Self::Return

No-op.

type Return = ()

Optional return type for the Self::finish method.

fn capacity(&self) -> usize

Return the number of bytes that can still be written to self.

fn skip(&mut self, n: usize) -> Result<(), WriteTooLargeError>

Skip over len bytes. If skipping over bytes is not meaningful for the buffer then this is a no-op.

fn write_bytes(&mut self, data: &[u8]) -> Result<(), WriteTooLargeError>

Write data.len() bytes to the buffer.