[cfe-dev] Implicit conversion of enum to int within an initializer list

[Ryuta Suzuki]

Oh, I thought it was implemented in clang already.
Thanks for the info, Doug.

Regards,

Ryuta

On Wed, Jul 27, 2011 at 6:26 AM, Douglas Gregor <dgregor at apple.com> wrote:

>
> On Jul 26, 2011, at 2:23 PM, Ryuta Suzuki wrote:
>
> Hi,
>
> I'm curious if the enum values can be put in initializer list of
> st::vector<int>,
>
> #include <vector>
>
> int main()
> {
>   enum Type
>   {
>     None = 0x0,
>     A    = 0x1,
>     B    = 0x2,
>     C    = 0x4
>   };
>
>   typedef std::vector<int> TypeVector;
>   TypeVector types = { Type::A, Type::B, Type::C };
>
>   return 0;
> }
>
> g++ can compile it but clang++ can't:
>
> $ g++ -Wall -Wextra -std=c++0x  ./classes_vector.cpp
>
> $ clang++ -Wall -Wextra -std=c++0x -stdlib=libc++ ./classes_vector.cpp
> ./classes_vector.cpp:14:14: error: non-aggregate type 'TypeVector' (aka
> 'vector<int>') cannot be initialized with an initializer list
>   TypeVector types = { Type::A, Type::B, Type::C };
>              ^       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 1 error generated.
>
> Could this be clang bug?
>
>
> It's not a bug; C++0x generalized initializer lists haven't been
> implemented in Clang yet.
>
> - Doug
>
>
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