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A comment on Back end of Meta Threads is built with Python 3.10 with some interesting tweaks. Parent comment

Re:Back end of Meta Threads is built with Python 3.10 with s... by Myrmornis on Thursday July 06, 2023 @12:09PM (#36618168)
How heavily are type annotations and type checking used in the codebase?
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Re:Back end of Meta Threads is built with Python 3.10 with s... by phyrex on Thursday July 06, 2023 @01:29PM (#36619613)
It’s fully typed and nothing can be merged that doesn’t pass the type checker
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Re:Back end of Meta Threads is built with Python 3.10 with s... by wing-_-nuts on Thursday July 06, 2023 @04:15PM (#36622165)
What are the benefits of python with types vs a statically typed language like java, golang, etc?
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Re:Back end of Meta Threads is built with Python 3.10 with s... by jajajajajajajaj on Thursday July 06, 2023 @05:33PM (#36623392)
The main “benefit” is that Instagram is written in Python and always has been.

It’s millions of lines of code, you can’t just change it to be Java one day.

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