Zack Puhl 5e1c343be4 Deprecate builtin EMPTY_MACRO_SLOT for optional macro arguments (#2805) ...

* add deprecations to macro slot builtins

* refactor all stdlib uses of now-deprecated EMPTY_MACRO_SLOT; release notes

* update incorrect releasenotes ref to this pr

* remove leftover comments from refactoring

* remove unnecessary `EmptySlot`-like type in countingsort; use private macro directly

2026-01-23 12:34:50 +01:00

..

std

Deprecate builtin EMPTY_MACRO_SLOT for optional macro arguments (#2805)

2026-01-23 12:34:50 +01:00