Function read_isize_ne

pub unsafe fn read_isize_ne(bytes: &[u8]) -> isize

Unsafe, near zero cost transmutation of a byte array slice into an isize integer using native-endianness.

Safety

To make it “safe” and does not cause memory errors, you must ensure the input has at least isize’d bytes prior to calling this.

Arguments

• bytes: the byte array reference

returns: isize

Examples

use hyper_byte::read_isize_ne;

let slice = [0u8; 16];
// PERFECTLY SAFE
let first_value = unsafe { read_isize_ne(&slice[0..size_of::<isize>()]) };
// NOT SAFE
let second_value = unsafe { read_isize_ne(&slice[9..9]) };


pub fn read_isize_safe_be(array: &[u8], index: &mut usize) -> isize {
    // "SAFE" because even if the array is not of this length,
    // it will still at least panic and not cause undefined behaviour
    let third_value = unsafe { read_isize_ne(&array[*index..(*index+size_of::<isize>())]) };
    *index += size_of::<isize>();
    third_value
}