replace proc-macro-error2 with syn::Error & compile_error! - #4
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tyt2y3
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PR Info
proc-macro-2is now unmaintained #2Changes
proc-macro-error2withsyn::Error/compile_error!I know there's existing #3, but I believe
proc-macro-error3will follow the same fate asproc-macro-error2andproc-macro-error. I replaced it with more a common approach, basically allabort!s were replaced withsyn::Errorthat's converted intocompile_error!infrom_attributes. This probably bumps the MSRV, butcompile_errorwas added about 7 years ago, so it should be fine.