Gradual typing has emerged as a compelling approach to reconcile the strengths of static and dynamic type systems. By permitting programmers to incrementally annotate code, it enables early detection ...

The rules that apply to the data types in a programming language. Every language supports some number of data types (binary, text string, floating point, etc.) that are processed by the instructions.

Tighten up your code and identify errors before they occur with mypy. I've been using dynamic languages—Perl, Ruby and Python—for many years. I love the flexibility and expressiveness that such ...