[Patch][ObjC][Proposal] NSValue literals

[Alexey Denisov]

> Hi, Alex.  Sorry for the long delay.

No worries :)

> The first is that you should add an attribute, __attribute__((objc_boxable)), that goes on struct declarations.  The @(…) syntax should only allow a struct operand if it has this attribute.  Make sure you test the __has_attribute for this.  You should also make sure that redeclarations after the definition can add this attribute and have it still be respected by the type-checker; this will be extremely useful for people migrating code to SDKs that lack these attributes.

Got it. I really like this idea.
Also was thinking about more universal way, but didn’t find good solution.

Anyway, let’s talk later with a new version.
--
AlexDenisov
Software Engineer, http://alexdenisov.github.io
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