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Merge pull request #777 from cubbimew/nvi

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dropping NVI from proto-rules due to no consensus on #768
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Gabriel Dos Reis 2017-02-13 11:35:46 -08:00 committed by GitHub
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@ -19427,7 +19427,6 @@ Alternatively, we will decide that no change is needed and delete the entry.
* Never pass a pointer down the call stack
* falling through a function bottom
* Should there be guidelines to choose between polymorphisms? YES. classic (virtual functions, reference semantics) vs. Sean Parent style (value semantics, type-erased, kind of like `std::function`) vs. CRTP/static? YES Perhaps even vs. tag dispatch?
* Speaking of virtual functions, should non-virtual interface be promoted? YES. (public non-virtual `foo()` calling private/protected `do_foo()`)? Not a new thing, seeing as locales/streams use it, but it seems to be under-emphasized.
* should virtual calls be banned from ctors/dtors in your guidelines? YES. A lot of people ban them, even though I think it's a big strength of C++ that they are ??? -preserving (D disappointed me so much when it went the Java way). WHAT WOULD BE A GOOD EXAMPLE?
* Speaking of lambdas, what would weigh in on the decision between lambdas and (local?) classes in algorithm calls and other callback scenarios?
* And speaking of `std::bind`, Stephen T. Lavavej criticizes it so much I'm starting to wonder if it is indeed going to fade away in future. Should lambdas be recommended instead?