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Daisuke Katsura @ Livesense Inc.
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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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• • • NULL • • • • immutable • Awaitable • Continuations yield • • Override • XHP ( XML ) • • • Hack
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• • • NULL • • • • immutable • Awaitable • Continuations yield • • Override • XHP ( XML ) • • • Hack
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• • NULL • • Shape • • Awaitable • Continuations yield
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http://docs.hhvm.com/manual/en/hack.generics.php
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http://docs.hhvm.com/manual/en/hack.nullable.php
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http://docs.hhvm.com/manual/en/hack.collections.php
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http://docs.hhvm.com/manual/en/hack.shapes.php
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$x ==> $x + 5;
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$x ==> $x + 5; !?
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http://docs.hhvm.com/manual/en/hack.lambda.operator.php
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http://docs.hhvm.com/manual/en/hack.async.php
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http://docs.hhvm.com/manual/en/hack.continuations.php
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