Return by 'ref' problems...

[Timon Gehr]

On 05/04/2012 03:00 PM, Jakob Ovrum wrote:
> On Friday, 4 May 2012 at 12:45:23 UTC, Timon Gehr wrote:
>> This should work:
>>
>> const(Thing) function()ref blah2 = &func;
>>
>> Except that it does not, because 'ref' is not currently a valid
>> function 'storage class'. This seems to be an issue that deserves a
>> bug report.
>
> For ref functions, 'ref' is part of the return type syntax,

If it was, then ref const(Thing) function() would work.

> much like auto functions.
> There is no precedent for 'ref' working as a function
> attribute; it never was one.
>

It is an attribute:

int x;
ref {
   int foo(){ return x; }
   int bar(){ return x; }
}

ref:

int qux(){ return x; }

static assert(typeof(&qux).stringof == "int function() ref");