Type Hints

Noun · Development

Definitions

  1. Optional type annotations in Python (PEP 484) that indicate expected types for function parameters, return values, and variables. Not enforced at runtime but used by type checkers like mypy and IDEs for static analysis.

    In plain English: Labels you add to Python code to say what type each variable should be, helping tools catch mistakes even though Python doesn't enforce them when running.

    Example: "Adding type hints to the API layer caught three bugs before we even ran the tests."

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