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Zarel

It looks like Facebook had your exact problem; you want Hack:

https://hacklang.org

It's based on PHP, but adds:

Expressive type system with generics:

https://docs.hhvm.com/hack/types/generic-types

Specialized collections: vec, dict, keyset

https://docs.hhvm.com/hack/types/arrays

Templating solution similar to JSX: XHP

https://docs.hhvm.com/hack/XHP/some-basics

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I'm aware of Hack and it's quite nice, but I can't use it because a) my coworkers are … less open to new ideas … and will rightfully resist a "whole new language", whereas mgmt will see it as an attempt at "job security", and b) the biggest use-case for generics is third-party libraries (e.g. [0], [1], [2], [3]) which will never add support if this is not a core language feature.

[0]: https://github.com/doctrine/collections

[1]: https://github.com/schmittjoh/php-option

[2]: https://github.com/schmittjoh/php-collection

[3]: https://github.com/widmogrod/php-functional

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