pretty-print symboly binders with surrounding parens #6030
Merged
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Overview
Fixes #5317
Test coverage
I've added a transcript that demonstrates the fix
Loose ends
In investigating this issue, I discovered that we are also willing to generate symboly type variables (when a user doesn't supply a type sig) that we can't then parse back.
Example type signature:
That seems related to this issue, though probably not as likely to actually happen.
FWIW, I'm not sure we should have ever even allowed symboly binders, but that ship has probably sailed