2014年10月22日星期三

HHVM Blog: Hack: Recent Updates


On the HHVM blog today they've posted some updates about the language that helps power the HHVM (HipHop Virtual Machine), Hack, and the most recent changes and improvements made to the language.



One thing we haven't talked about much is the progress and evolution of the language itself. We've been busy driving the language forward, improving its PHP base as well as adding new features requested inside and outside Facebook to further increase developers' productivity. But unless you're the sort of person that reads every commit going into the HHVM github repository or every change to our docs site, you probably have no idea about any of these changes since we haven't talked much about them yet.


This post is a "kickoff" of a series of posts they'll be doing covering some of the major changes to the language including:



  • Typechecking new static()
  • First-class enums
  • Better understanding the type signatures of the PHP standard library
  • Covariance


Stay tuned to the blog for the full series.


Link: http://hhvm.com/blog/6443/hack-recent-updates

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