So what exactly is coming with extended C++ support?

[Szymon Gatner via Digitalmars-d]

On Tuesday, 14 October 2014 at 23:01:49 UTC, Andrei Alexandrescu 
wrote:
> On 10/14/14, 3:53 PM, Meta wrote:
>> On Tuesday, 14 October 2014 at 22:27:35 UTC, Walter Bright 
>> wrote:
>>> Currently, D supports C++:
>>>
>>> * function calling
>>> * name mangling
>>> * namespaces
>>> * templates
>>> * member functions
>>> * single inheritance
>>> * basic types that exist in C++ but not D (like 'long')
>>>
>>> Note that there are no plans to support C++ semantics - the D 
>>> side
>>> will support only D semantic rules. SFINAE, Koenig lookup, 
>>> etc., have
>>> no place in D.
>>>
>>> C++ interop will require the user to be flexible on both the 
>>> C++ and D
>>> side, and bluntly will require strong knowledge of D and C++ 
>>> and how
>>> they work under the hood to be successful with it.
>>>
>>> Probably the most tricky thing we're working on is interop 
>>> with C++
>>> exceptions.
>>>
>>> Essentially, we're going to see how far we can push interop.
>>
>> To clarify, templates have to be instantiated on the C++ side 
>> before
>> being passed to D, right? Is it correct that D can't 
>> instantiate a C++
>> template?
>
> Correct. Here's the syntax on the C++ side: 
> http://en.wikipedia.org/wiki/C++11#Extern_template -- Andrei

Understood, makes sense.