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Syntax of mangled names is outdated #3112

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EFanZh opened this issue Apr 18, 2021 · 1 comment · Fixed by #3130

EFanZh commented Apr 18, 2021

I noticed that the syntax of mangled names specified in RFC 2603 is outdated. Specifically, it does not match the implementation of https://github.com/alexcrichton/rustc-demangle/.

Here are some differences I have observed from rustc-demangle:

<binder> is optional in <fn-sig> and <dyn-bounds>;
<const-data> may contain an optional "n" character to indicate negative values.
The placeholder variant of <const> does not contain a <type> item.

Also, the symbol after <fn-sig> is := while the symbol after other non-terminals are =.

The text was updated successfully, but these errors were encountered:

tmiasko mentioned this issue

Update mangling scheme syntax #3130

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michaelwoerister commented May 26, 2021

Thanks for the bug report, @EFanZh!

nikomatsakis closed this as completed in #3130

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