[LLVMdev] Allow default member initializers in LLVM

[Eli Bendersky]

On Tue, Apr 28, 2015 at 2:41 PM, Reid Kleckner <rnk at google.com> wrote:

> Default member initializers (or non-static data member initializers if you
> like) are these things:
>   struct Foo {
>     int x = -1;
>     int y = 0xdeadbeef;
>   };
>
> I'd like to use them, because I'm tired of updating out-of-line
> constructors to explicitly initialize all scalar members. See for example
> CodeGenFunction():
>
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.cpp?revision=235664&view=markup#l37
>
> This feature is supported by MSVC 2013, Clang 3.0, and GCC 4.7, which
> together represent our platform support floor.
>
> Any objections? If not, I'll update
> http://llvm.org/docs/CodingStandards.html in a few days.
>
> I'll also put in a word recommending that these should only be used to
> initialize scalars to constant values. C++ is very flexible and will let
> you put lots of stuff here, but doing so is probably bad form.
>

+1

Eli
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