d1ec806834
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
14 lines
379 B
Text
14 lines
379 B
Text
1079.lean:3:2-3:7: error: Alternative 'isFalse' has not been provided
|
|
[Meta.Tactic.simp.rewrite] h:1000:
|
|
m
|
|
==>
|
|
n
|
|
[Meta.Tactic.simp.rewrite] eq_self:1000:
|
|
n = n
|
|
==>
|
|
True
|
|
[Meta.Tactic.simp.unify] eq_self:1000, failed to unify
|
|
?a = ?a
|
|
with
|
|
Ordering.eq = Ordering.lt
|
|
[Meta.Tactic.simp.rewrite] imp_self:10000: False → False ==> True
|