Is there a way to implement my own concat_idents macro?

I need to use the concat_idents, but according to this issue, it still has some problem and is far from stabilized. So I’m thinking if I can implement my own concat_idents based on stable features.

Is this possible?

Thanks.

Yes, mashup is a stable substitute for concat_idents! in some use cases. It supports stable compilers back to 1.15.0.

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