Introduction to Hack

Transcript

1. Daisuke Katsura @ Livesense Inc.

2. The goal of Hack to offer developers a way to

   write cleaner, safer and refactorable code while trying to maintain a level of compatibility with current PHP codebases.
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4. • • • NULL • • • • immutable •

   Awaitable • Continuations yield • • Override • XHP ( XML ) • • • Hack
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6. • • • NULL • • • • immutable •

   Awaitable • Continuations yield • • Override • XHP ( XML ) • • • Hack
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8. • • NULL • • Shape • • Awaitable •

   Continuations yield

9. http://docs.hhvm.com/manual/en/hack.generics.php

10. http://docs.hhvm.com/manual/en/hack.nullable.php

11. http://docs.hhvm.com/manual/en/hack.collections.php

12. http://docs.hhvm.com/manual/en/hack.shapes.php

13. $x ==> $x + 5;

14. $x ==> $x + 5; !?

15. http://docs.hhvm.com/manual/en/hack.lambda.operator.php

16. http://docs.hhvm.com/manual/en/hack.async.php

17. http://docs.hhvm.com/manual/en/hack.continuations.php

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