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Regular void

Regular void

Posted Sep 11, 2026 18:58 UTC (Fri) by mb (subscriber, #50428)
In reply to: Regular void by wahern
Parent article: Stabilizing Rust's never type

>wanting to support some degree of source-level compatibility with C++

Not having an FFI between C++ and C is a major problem.
Having it would free C++ from many of the compatibility problems.

It is fixable by introducing it in a new standard version.
But there does not seem to be willingness to do it - I presume - as it would complicate programs that mix C and C++ willy-nilly

to post comments

Regular void

Posted Sep 11, 2026 22:51 UTC (Fri) by wahern (subscriber, #37304) [Link]

Almost certainly will never happen. My impression is the committee avoids name mangling like the plague. And name mangling aside, I assume there's a host of other thorny issues regarding parameter passing (e.g. references, implicit this, etc) that nobody wants to tackle. Is there any prior art? I don't remember GCC or clang having any extensions to help calling into non-extern-C C++.


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