PEP 612
E902630
PEP 612 is a Python Enhancement Proposal that introduces support for parameter specification variables to improve typing of higher-order functions and decorators in Python’s type system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| PEP 612 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10763895 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PEP 612 Context triple: [Python 3.10, implementsPEP, PEP 612]
-
A.
PEP 622
PEP 622 is a Python Enhancement Proposal that introduced the design for structural pattern matching syntax later adopted in Python 3.10.
-
B.
PEP 636
PEP 636 is a Python Enhancement Proposal that serves as a tutorial-style guide to the structural pattern matching feature introduced in Python 3.10.
-
C.
PEP 695
PEP 695 is a Python Enhancement Proposal that introduces a new, more concise syntax for type parameter declarations to improve the language’s support for generics and static typing.
-
D.
PEP 634
PEP 634 is the Python Enhancement Proposal that formally specifies the semantics of structural pattern matching introduced in Python 3.10.
-
E.
PEP 635
PEP 635 is a Python Enhancement Proposal that provides a detailed rationale and motivation for the structural pattern matching feature introduced in Python 3.10.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PEP 612 Target entity description: PEP 612 is a Python Enhancement Proposal that introduces support for parameter specification variables to improve typing of higher-order functions and decorators in Python’s type system.
-
A.
PEP 622
PEP 622 is a Python Enhancement Proposal that introduced the design for structural pattern matching syntax later adopted in Python 3.10.
-
B.
PEP 636
PEP 636 is a Python Enhancement Proposal that serves as a tutorial-style guide to the structural pattern matching feature introduced in Python 3.10.
-
C.
PEP 695
PEP 695 is a Python Enhancement Proposal that introduces a new, more concise syntax for type parameter declarations to improve the language’s support for generics and static typing.
-
D.
PEP 634
PEP 634 is the Python Enhancement Proposal that formally specifies the semantics of structural pattern matching introduced in Python 3.10.
-
E.
PEP 635
PEP 635 is a Python Enhancement Proposal that provides a detailed rationale and motivation for the structural pattern matching feature introduced in Python 3.10.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | Python Enhancement Proposal ⓘ |
| aimsTo |
improve expressiveness of Python type hints
ⓘ
support complex decorator patterns in typing ⓘ support higher-order function typing patterns ⓘ |
| allows |
forwarding of parameter types between callables
ⓘ
precise modeling of callable parameter lists ⓘ |
| appliesTo | static type checkers for Python ⓘ |
| author | Python typing community ⓘ |
| category |
Typing PEP
ⓘ
linked to:
typing
|
| defines |
parameter specification variable
ⓘ
semantics for Concatenate in callable types ⓘ syntax for ParamSpec in type hints ⓘ |
| documentType | design specification ⓘ |
| focusesOn |
parameter specification variables
ⓘ
typing of decorators ⓘ typing of higher-order functions ⓘ |
| governingBody | Python core developers ⓘ |
| governs |
use of Concatenate in typing module
ⓘ
use of ParamSpec in typing module ⓘ |
| hostedOn | Python PEP index ⓘ |
| implementedIn | Python 3.10 ⓘ |
| improves |
static typing of callables
ⓘ
type safety for decorators ⓘ type safety for higher-order functions ⓘ |
| influences | design of advanced typing features in Python ⓘ |
| introducedConcept |
Concatenate
ⓘ
ParamSpec ⓘ |
| language | Python ⓘ |
| motivation |
limitations of Callable in expressing parameter lists
ⓘ
need for accurate decorator type annotations ⓘ |
| number | 612 ⓘ |
| partOf | Python type system evolution ⓘ |
| relatedTo |
PEP 484
ⓘ
PEP 544 ⓘ PEP 604 ⓘ typing.Concatenate ⓘ typing.ParamSpec ⓘ
linked to:
ParamSpec
|
| repository | https://peps.python.org/pep-0612/ ⓘ |
| scope | typing module and type checkers ⓘ |
| standardizes | notation for parameter list type variables ⓘ |
| status | Final ⓘ |
| title |
Parameter Specification Variables
ⓘ
linked to:
ParamSpec
|
| versionIntroduced | Python 3.10 typing module ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: PEP 612 Description of subject: PEP 612 is a Python Enhancement Proposal that introduces support for parameter specification variables to improve typing of higher-order functions and decorators in Python’s type system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.