Henrik Böving 09de5cd70e refactor: remove Lean.RBMap usages (#9260) ... This PR removes uses of `Lean.RBMap` in Lean itself. Furthermore some massaging of the import graph is done in order to avoid having `Std.Data.TreeMap.AdditionalOperations` (which is quite expensive) be the critical path for a large chunk of Lean. In particular we can build `Lean.Meta.Simp` and `Lean.Meta.Grind` without it thanks to these changes. We did previously not conduct this change as `Std.TreeMap` was not outperforming `Lean.RBMap` yet, however this has changed with the new code generator.		2025-07-21 14:04:45 +00:00
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src	refactor: remove Lean.RBMap usages (#9260)	2025-07-21 14:04:45 +00:00
stdlib	chore: update stage0	2025-07-21 05:32:04 +00:00