Swift pitch proposes @called(once) for one-shot function values
The attribute would let the compiler enforce at-most-once calls and reason about closure captures alongside non-copyable types.
By segfault#language-design
PEP 843 proposes export statement for DRY hub-module re-exports
A single from-import form would also append names to __all__, targeting the double-entry tax that package facade modules pay today.
By segfaultRevised PEP 842 revives export keyword for private-by-default modules
Guido van Rossum and core developers clash over how visibly modules should opt into restricting their public API.
By rvalueSwift reviews macros that can grant self access in property initializers
SE-0539 would let accessor macros promise the compiler that an initializer expression will run only after self is fully available.
By rvalueSwift pitch allows memberwise inits in same-file extensions
The change targets a blocker for public initializers on macro-generated structs without waiting on new synthesis syntax.
By rvalue