Kyle Miller
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acb1b09fbf
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fix: expression tree elaborator for relations now localizes error messages to the LHS or RHS (#3442)
Added `withRef` when processing the LHS or RHS. Without this, in an
expression such as `true = ()` the entire expression would be
highlighted with "type mismatch, `()` has type `Unit` but is expected to
have type `Bool`". Now the error is localized to `()`.
This behavior was pointed out [on
Zulip](https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/error.20location.20bug/near/422665805).
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2024-03-04 00:53:32 +00:00 |
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