Viewing profile — dparoski

Hmm, IMHO it feels like you're bending the definition of "lifetime" a bit in a manner that already presumes RC-based automatic memory management, and once one accepts that assumpti…

First, I want to thank you, Paul, for writing this critique. It's great to read well thought-out feedback about the draft spec that was announced yesterday. Before getting into tec…

To my knowledge a JIT compiler is not being added to PHP 5.7. Can you clarify your comment or provide a link to the source where you heard this?

Edit: My previous comment was referring to the second occurrence of "return" in your example (after the "==>" arrow). Just noticed I mistakenly dropped the first occurrence of "ret…

The "return" keyword is not needed if the right hand side of the lambda arrow ("==>") is an expression that is not wrapped in curly braces. If the right hand side _is_ wrapped in c…

Engineer working on Hack here. Historically XHP was developed before Hack. It's available as an add-on for PHP but never became a formal part of the PHP language. When Hack was bei…

Engineer working on Hack here. Hack runs on the HHVM engine. HHVM is fairly stable and is used by Facebook to serve over a billion web requests per today. In the past year or so de…

Engineer working on Hack here. You can actually write you example a bit more concisely in Hack: "$y ==> $y + 1".

As noted elsewhere in this thread, a stack-based design typically produces more compact bytecode. Compactness was a concern for us because of the size of FB's PHP code base. Also, …