I think you’re right! Thanks for pointing at UnsafeCell. That seems like
exactly what I want. It has been fixed.
Thanks a ton for the catch!
- Clark
On Thu, Sep 4, 2014 at 12:46 AM, Vladimir Matveev <dpx.infin...@gmail.com>
wrote:
> Hi!
> I’ve noticed this piece of code in your library:
> #[inline]
> fn as_mut_slice(&self) -> &mut [u8] {
> unsafe {
> match self {
> &OwnedBuffer(ref v) => {
> let mut_v: &mut Vec<u8> = mem::transmute(v);
> mut_v.as_mut_slice()
> },
> &BorrowedBuffer(ref s) => {
> let mut_s: &mut &mut [u8] = mem::transmute(s);
> mut_s.as_mut_slice()
> },
> }
> }
> }
> I was under impression that transmuting & to &mut is undefined behavior in
> Rust, and you need to use RefCell (or UnsafeCell) for this. Am I wrong?
> On 04 сент. 2014 г., at 9:17, Clark Gaebel <cg.wowus...@gmail.com> wrote:
>> Hey everyone!
>>
>> Have you ever needed to communicate with the outside world from a rust
>> application? Do you need to send data through a network interface, or touch
>> a disk? Then you need Iobufs!
>>
>> An Iobuf is a nifty abstraction over an array of bytes, which makes writing
>> things like highly efficient zero-copy speculative network protocol parsers
>> easy! Any time I need to do I/O, I reach for an Iobuf to do the heavy
>> lifting.
>>
>> https://github.com/cgaebel/iobuf
>>
>> Enjoy,
>> - Clark
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