Struct btle::bytes::StaticBuf

pub struct StaticBuf<ArrayBuf: AsRef<[u8]> + AsMut<[u8]> + Default + Copy> { /* fields omitted */ }

Static byte buffer. StaticBuf<[u8; 16]> can store a [u8] array from 0-16 bytes for example. Unlike other static buffers, this does NOT reallocate if you out grow the internal buffer. If you try to request more bytes than its able to store, it will panic.

Methods

impl<ArrayBuf: AsRef<[u8]> + AsMut<[u8]> + Default + Copy> StaticBuf<ArrayBuf>

pub fn max_size() -> usize

Returns the maximum size the StaticBuf can hold.

Examples

use btle::bytes::StaticBuf;
assert_eq!(StaticBuf::<[u8; 10]>::max_size(), 10);
assert_eq!(StaticBuf::<[u8; 23]>::max_size(), 23);

pub fn resize(&mut self, new_size: usize)

Resizes the StaticBuf by settings self.len to new_size if new_size <= Self::max_size(). This is only a single variable change and WILL NOT zero or change any of the buffers bytes.

Examples

use btle::bytes::{StaticBuf, Storage};
let mut buf = StaticBuf::<[u8; 10]>::with_size(10);
assert_eq!(buf.len(), 10);
assert_eq!(buf[9], 0);
buf[9] = 0xFF;
buf.resize(1);
assert_eq!(buf.len(), 1);
buf.resize(10);
assert_eq!(buf[9], 0xFF);

Trait Implementations

impl<ArrayBuf: AsRef<[u8]> + AsMut<[u8]> + Default + Copy> AsMut<[u8]> for StaticBuf<ArrayBuf>

fn as_mut(&mut self) -> &mut [u8]

Performs the conversion.

impl<ArrayBuf: AsRef<[u8]> + AsMut<[u8]> + Default + Copy> AsRef<[u8]> for StaticBuf<ArrayBuf>

fn as_ref(&self) -> &[u8]

Performs the conversion.

impl<ArrayBuf: Clone + AsRef<[u8]> + AsMut<[u8]> + Default + Copy> Clone for StaticBuf<ArrayBuf>

fn clone(&self) -> StaticBuf<ArrayBuf>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<ArrayBuf: Copy + AsRef<[u8]> + AsMut<[u8]> + Default> Copy for StaticBuf<ArrayBuf>

impl<ArrayBuf: Default + AsRef<[u8]> + AsMut<[u8]> + Copy> Default for StaticBuf<ArrayBuf>

fn default() -> StaticBuf<ArrayBuf>

Returns the "default value" for a type.

impl<ArrayBuf: AsRef<[u8]> + AsMut<[u8]> + Default + Copy> Index<RangeFull> for StaticBuf<ArrayBuf>

type Output = [u8]

The returned type after indexing.

fn index(&self, _index: RangeFull) -> &Self::Output

Performs the indexing (container[index]) operation.

impl<ArrayBuf: AsRef<[u8]> + AsMut<[u8]> + Default + Copy> Index<usize> for StaticBuf<ArrayBuf>

type Output = u8

The returned type after indexing.

fn index(&self, index: usize) -> &Self::Output

Performs the indexing (container[index]) operation.

impl<ArrayBuf: AsRef<[u8]> + AsMut<[u8]> + Default + Copy> IndexMut<RangeFull> for StaticBuf<ArrayBuf>

fn index_mut(&mut self, _index: RangeFull) -> &mut Self::Output

Performs the mutable indexing (container[index]) operation.

impl<ArrayBuf: AsRef<[u8]> + AsMut<[u8]> + Default + Copy> IndexMut<usize> for StaticBuf<ArrayBuf>

fn index_mut(&mut self, index: usize) -> &mut Self::Output

Performs the mutable indexing (container[index]) operation.

impl<ArrayBuf: AsRef<[u8]> + AsMut<[u8]> + Default + Copy> Storage for StaticBuf<ArrayBuf>

fn with_size(size: usize) -> Self where
    Self: Sized, 

fn len(&self) -> usize