Trait View

pub trait View {
    // Required methods
    fn read_at<E: Endian>(&self, offset: usize) -> Option<E>;
    fn write_at<E: Endian>(&mut self, offset: usize, num: E) -> Result<(), ()>;
}

A data view for reading and writing data in byte array.

Examples

use data_view::View;

let mut buf = [0; 16];

buf.write_at(1, 42_u16);
assert_eq!(buf.read_at::<u16>(1).unwrap(), 42);

Required Methods

fn read_at<E: Endian>(&self, offset: usize) -> Option<E>

Reads a value of type E: Endian from view.

Examples

use data_view::View;

let buf = [42];

assert_eq!(buf.read_at::<u8>(0), Some(42));
assert_eq!(buf.read_at::<u16>(1), None);

fn write_at<E: Endian>(&mut self, offset: usize, num: E) -> Result<(), ()>

Writes a value of type E: Endian to data view.

Examples

use data_view::View;

let mut buf = [0];

assert_eq!(buf.write_at(0, 42_u8), Ok(()));
assert_eq!(buf.write_at(1, 123_u16), Err(()));

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl View for [u8]

fn read_at<E: Endian>(&self, offset: usize) -> Option<E>

fn write_at<E: Endian>(&mut self, offset: usize, num: E) -> Result<(), ()>

Implementors