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Re: See if this usage about initializer_list is conforming to the final draft

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On Thu, 09 Jun 2011 07:02:48 -0600, hayate wrote:

> code:
>    http://ideone.com/T6GFO
> 
> #include <array>
> #include <initializer_list>
> 
> using namespace std;
> 
> class A {
>     public:
>         A(array<int, 4>) {};
> };
> 
> int main() {
>     A a({1,2,3,4});
> }
> 
> Its compilation fails on GCC 4.6
> I checked n3291 at 8.5.4/1, it seems here for constructing a is a
> direct-initialization, thus array's aggregation can be invoked. Am I
> right?

I've been bitten by this myself. 'array' is an aggregate, there is a long 
thread on comp.std.c++ why, thus you have to replace the declaration of 
'a' by
  A a({{1,2,3,4}});   //  note the double braces

Helmut.




-- 
Helmut Jarausch
Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany


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See if this usage about initializer_list is conforming to the final draft  hayate <hayatelee@gmail.com> - 2011-06-09 07:02 -0600
  Re: See if this usage about initializer_list is conforming to the final draft  Daniel Krügler <daniel.kruegler@googlemail.com> - 2011-06-09 15:22 -0600
  Re: See if this usage about initializer_list is conforming to the  final draft Helmut Jarausch <jarausch@igpm.rwth-aachen.de> - 2011-06-09 15:54 -0600
    Re: See if this usage about initializer_list is conforming to the  final draft  Daniel Krügler <daniel.kruegler@googlemail.com> - 2011-06-10 03:13 -0600

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