PEP 835: Address Discourse feedback and align better with typing spec#5027
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PEP 835: Address Discourse feedback and align better with typing spec#5027till-varoquaux wants to merge 2 commits into
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Key changes: - Structure & Formatting: Reordered all sections to strictly comply with the PEP 1 template. Added a mandatory "Security Implications" section. - Terminology & Spec Alignment: Consolidated terminology to provide clear definitions for the concepts used throughout the PEP (Type Expression, Type Metadata, Non-Typing Annotation, Symbol Decorator) and align better with the typing spec. - Forward References: Clarified that `Format.TYPE` supports `None @Metadata` structurally, eliminating the need to modify `NoneType.__matmul__`. Consequently, removed the "Supporting None" open issue. - Rejected Ideas: Expanded the section to include "Alternative Syntaxes" (e.g. `<@`, soft keywords, brackets), noting their rejection due to lack of consensus. Moved the `__rmatmul__` rejection out of the Specification section. - Future Work: Added extensive examples of how the syntax might map to future Symbol Decorators, and added a JSR 308-inspired proposal for PEP 746 target-based constraints using intersection types (`&`).
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@JelleZijlstra thanks for the feedback. Removed @erictraut: I borrowed your process-of-elimination logic for the "Why the @ Operator?" section. Thank you so much. |
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Key changes:
Format.TYPEsupportsNone @Metadatastructurally, eliminating the need to modifyNoneType.__matmul__. Consequently, removed the "Supporting None" open issue.<@, soft keywords, brackets), noting their rejection due to lack of consensus. Moved the__rmatmul__rejection out of the Specification section.&).PEP 123: Summary of changes)