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Strip pretty-printed invisible delimiters for type names #155

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ascjones opened this issue May 16, 2022 · 0 comments · Fixed by #156
Closed

Strip pretty-printed invisible delimiters for type names #155

ascjones opened this issue May 16, 2022 · 0 comments · Fixed by #156

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@ascjones
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ascjones commented May 16, 2022 •
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See rust-lang/rust#97076 and rust-lang/rust#96682.

This can happen where TypeInfo is derived for a type generated by a ty expression in a declarative macro. This is parsed as a syn::Type::Group, which is then pretty-printed with the invisible delimiters "/*»*/" and "/*«*/".

These should be stripped, possibly in clean_type_string, but maybe there is a cleaner way to do it.
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Strip invisible delimiters from type name paritytech/scale-info
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@ascjones