2 commits

Author	SHA1	Message	Date
Kim Morrison	d8e7ca2355	feat: draft typeclasses/tests for grind handling fields (#8417) ... This PR introduces `Lean.Grind.Field`, proves that a `IsCharP 0` field satisfies `NoNatZeroDivisors`, and sets up some basic (currently failing) tests for `grind`.	2025-05-20 13:44:11 +00:00
jrr6	d1ec806834	feat: improve error messages in invalid match alternatives (#8368) ... This PR improves the error messages produced by invalid pattern-match alternatives and improves parity in error placement between pattern-matching tactics and elaborators. Closes #7170	2025-05-19 17:40:41 +00:00