Stepan KoltsovandCarl Lerche b78bb3baaa Handle corner cases of Bytes::split_{off,to} (#87) ...

Before this commit `Bytes::split_{off,to}` always created a shallow copy if `self` is arc or vec.

However, in certain cases `split_off` or `split_to` is called with `len` or `0` parameter. E. g. if you are reading a frame from buffered stream, it is likely that buffer contains exactly the frame size bytes, so `split_to` will be called with `len` param.

Although, `split_off` and `split_to` functions are `O(1)`, shallow copy have downsides:

* shallow copy on vector does malloc and atomic cmpxchg
* after shallow copy, following operations (e. g. `drop`) on both `bytes` objects require atomics
* memory will be probably released to the system later
* `try_mut` will fail
* [into_vec](https://github.com/carllerche/bytes/issues/86) will copy

2017-03-27 20:45:22 -07:00

..

test_buf_mut.rs

Add vectored support to Buf and BufMut

2017-03-01 13:18:29 -08:00

test_buf.rs

Clarify API edge cases

2017-03-01 18:30:58 -08:00

test_bytes.rs

Handle corner cases of Bytes::split_{off,to} (#87)

2017-03-27 20:45:22 -07:00

test_chain.rs

Fix tests on nightly

2017-03-19 09:08:41 -07:00

test_debug.rs

Reimplement fmt::Debug for Bytes and BytesMut (#84)

2017-03-20 21:09:44 -07:00

test_from_buf.rs

Implement FromBuf and Buf::collect

2017-03-01 09:30:13 -08:00