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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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microsoft/pyright: Static Type Checker for Python

Posted by jpluimers on 2026/07/07

I will likely need this one day: [Wayback/Archive] microsoft/pyright: Static Type Checker for Python

Via:

  1. [Wayback/Archive] Julia Evans on Twitter: “I wish there was something like pyright for Javascript — I love how pyright will tell me about type errors even if I don’t add *any* type annotations in my code at all github.com/microsoft/pyright (I assume you can’t make pyright-for-JS because Typescript is a different language)”
  2. [Wayback/Archive] Julia Evans on Twitter: “Also I think the reason pyright works so well even if I don’t add type annotations is that a lot of the Python library code I’m depending on actually does have type annotations, so it can use those”

–jeroen

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