asyncio — Asynchronous I/O¶| docs.python.org
Type hints introduced in PEP 484 can be used to specify type metadata for static type checkers and other third party tools. However, PEP 484 only specifies the semantics of nominal subtyping. In this PEP we specify static and runtime semantics of protoc...| Python Enhancement Proposals (PEPs)
This PEP lays out the theory referenced by PEP 484.| Python Enhancement Proposals (PEPs)
This PEP introduces a simple and intuitive way to annotate methods that return an instance of their class. This behaves the same as the TypeVar-based approach specified in PEP 484 but is more concise and easier to follow.| Python Enhancement Proposals (PEPs)
PEP 3107 introduced syntax for function annotations, but the semantics were deliberately left undefined. There has now been enough 3rd party usage for static type analysis that the community would benefit from a standard vocabulary and baseline tools w...| Python Enhancement Proposals (PEPs)