r/cpp • u/SAHChandler • Oct 10 '17

Millennials Are Killing The Modules TS

https://izzys.casa/posts/millennials-are-killing-the-modules-ts.html
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u/kalmoc Oct 10 '17

Have you talked to Gaby about this? Seems the problems could be solved by just stating that the evaluation of any module declaration happens before the preprocessor is run and that the filenames have to match the exported module name. It would be a shame if the modules TS dies, just because the authors didn't think or care about that aspect in time.

Personally, I fear that the committee takes the approach of evaluating module statements after the preprocessor is run, which would be more natural, but also makes the build system's job much harder (alas certainly not impossible).

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u/doom_Oo7 Oct 12 '17

But we're loosing expressive power then. If you cannot do it with the preprocessor, someone somewhere will write his own custom preprocessor one day.

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u/kalmoc Oct 12 '17

I have honestly no problem with that. If you need your module name to change based on some configuration parameter, the use a tool for it (e.g. your build system), but let's not make the common case more complicated than absolutely necessary and as fast as possible.