Joachim Breitner 186f5a6960 feat: deriving ReflBEq and LawfulBEq (#10351) ... This PR adds the ability to do `deriving ReflBEq, LawfulBEq`. Both classes have to listed in the `deriving` clause. For `ReflBEq`, a simple `simp`-based proof is used. For `LawfulBEq`, a dedicated, syntax-directed tactic is used that should work for derived `BEq` instances. This is meant to work with `deriving BEq` (but you can try to use it on hand-rolled `@[methods_specs] instance : BEq…` instances). Does not support mutual or nested inductives.		2025-09-16 12:58:01 +00:00
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src	feat: deriving ReflBEq and LawfulBEq (#10351)	2025-09-16 12:58:01 +00:00
stdlib	chore: update stage0	2025-09-16 11:06:37 +00:00