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PyreFly: Python type checker and language server in Rust

a day ago
https://pyrefly.org/?featured_on=talkpython
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  • #Python
  • #Type Checking
  • #IDE
  • Pyrefly is a fast type checker and language server for Python with powerful IDE features.
  • Installation is simple with 'pip install pyrefly && pyrefly init'.
  • It can type check over 1.85 million lines of code per second, tested on Meta infrastructure.
  • Offers lightning-fast autocomplete and instant error feedback in editors.
  • Support is available via Discord for questions or feedback.
  • Performance comparison shows Pyrefly's efficiency against Pyright and MyPy on the PyTorch codebase.
  • Pyrefly utilizes all available threads for optimal performance.
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