6d5de9f965
@Kha I am adding this kind of feature to improve the user experience. For example, the macro ``` syntax "[" ident "↦" term "]" : term macro_rules | `([$x ↦ $v]) => `(fun $x => $v) ``` is accepted and looks perfectly reasonable. However, before this commit, we would get a nasty error when elaborating ```lean check [x ↦ x + 1] ``` |
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