PEP 484

E265441

Python Enhancement Proposal

PEP 484 is the Python Enhancement Proposal that introduced a standard for type hints in Python, forming the basis of the language’s static typing ecosystem.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label	Occurrences
PEP 484 canonical	4
Python static type system	1

Statements (57)

Predicate	Object
instanceOf	Python Enhancement Proposal ⓘ
appliesToLanguage	Python ⓘ
createdBy	Guido van Rossum ⓘ Jukka Lehtosalo ⓘ Michael Sullivan ⓘ other contributors ⓘ Łukasz Langa ⓘ
createdForVersion	Python 3.x ⓘ surface form: Python 3.5
defines	semantics for type hints ⓘ standard typing module interfaces ⓘ syntax for type hints ⓘ typing module ⓘ typing.Any ⓘ Python typing module ⓘ surface form: typing.Callable typing.Dict ⓘ typing.FrozenSet ⓘ typing.Generic ⓘ typing.IO ⓘ typing.Iterable ⓘ typing.List ⓘ Python typing module ⓘ surface form: typing.Mapping typing.NewType ⓘ typing.Optional ⓘ typing.Sequence ⓘ typing.Set ⓘ typing.Tuple ⓘ typing.TypeVar ⓘ typing.Union ⓘ Python typing module ⓘ surface form: typing.overload
formsBasisOf	Python static typing ecosystem ⓘ
governs	standard library typing module behavior ⓘ
hostedAt	https://peps.python.org/pep-0484/ ⓘ
influenced	PyCharm type checking ⓘ Pyright ⓘ static analysis tools for Python ⓘ third-party type checkers such as mypy ⓘ
introducedConcept	static typing in Python ⓘ
introducedFeature	standard for type hints ⓘ type hints ⓘ
introducedInVersion	Python 3.x ⓘ surface form: Python 3.5
motivation	enable static type checking for Python ⓘ improve tooling and IDE support ⓘ provide a standard way to add type information to Python code ⓘ
relatedTo	PEP 3107 ⓘ PEP 483 ⓘ PEP 526 ⓘ PEP 544 ⓘ
specifies	conventions for gradual typing ⓘ how to annotate class attributes ⓘ how to annotate functions ⓘ how to annotate variables ⓘ rules for type checkers ⓘ stub file format .pyi ⓘ
status	Final ⓘ
title	Python typing module ⓘ surface form: Type Hints
yearAccepted	2015 ⓘ
yearProposed	2014 ⓘ

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

PEP 695 → relatedTo → PEP 484 ⓘ

Standards Track PEPs → example → PEP 484 ⓘ

Python generic types → introducedIn → PEP 484 ⓘ

Python generic class definitions → partOf → PEP 484 ⓘ

this entity surface form: Python static type system

Python generic class definitions → introducedIn → PEP 484 ⓘ