News for hackers. Stuff that matters.

A comment on Rust: Not So Great For Codec Implementing. Parent comment

Re:Rust: Not So Great For Codec Implementing by smitherfield on Wednesday August 02, 2017 @12:01AM (#14907812)
The bigger reason it's still undefined is to enable this type of optimization: https://news.ycombinator.com/item?id=14857316
[ Parent | on HN ]
Re:Rust: Not So Great For Codec Implementing by jandrese on Wednesday August 02, 2017 @09:48AM (#14910484)
The comment thread seems to suggest that even if you define the behavior you can still optimize that case, and in fact Clang does.
[ Parent | on HN ]