Singular extern declarations
#3980
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chandlerc
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Thanks, overall I think the proposal looks great. Added some super minor suggestions in line, but they don't seem to be very significant.
I did suggest another attempt at writing up rationale for the alternative, although I'm not confident in the words I ended up with either. Maybe you or others have better ways of summarizing this.
In general, with whatever improvements to the alternative syntax rationale we converge on, I'm happy with this landing.
Co-authored-by: Chandler Carruth <chandlerc@gmail.com>
Co-authored-by: Chandler Carruth <chandlerc@gmail.com>
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FYI, added extended notes on syntactic matching (specifically, why it won't apply for |
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Trying to pull in key elements of #3762, #3763, and #3980 (decl matching and `extern`, essentially). These aren't specific to any particular declaration type, but are common to entities, so suggesting a new doc oriented on that. There's probably more that could be said here, I'm just focused on getting the recent formal discussion mirrored into the design. --------- Co-authored-by: josh11b <15258583+josh11b@users.noreply.github.com>
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Each entity is restricted to one, optional
externdeclaration. If used, it must be imported by the defining library. The defining library annotates the existence of anexternwith thehas_externmodifier.