On 08.07.2012, at 06:13, Rick Mann wrote:

> Hi. I'd like to write code like this:
> 
>       MyObject* foo = reinterpret_cast<__bridge MyObject*> (someVoidPointer);
> 
> But the compiler doesn't like it. It's perfectly happy with:
> 
>       MyObject* foo = (__bridge MyObject) someVoidPointer;
> 
> this is in a .mm file.

You probably meant this (without typo):
>       MyObject* foo = (__bridge MyObject*) someVoidPointer;

I think, the assumption that __bridge is a simple type qualifier (like const or 
volatile) is false. It's rather a type conversion operator returning an object 
akin to an instance of a non-POD type.



What you are seeking for would be probably this:

MyObject* foo = __bridge_cast<MyObject*>(someVoidPointer);

But this doesn't exist - unless you define it yourself   ;)


Andreas

> 
> The error is:
> 
> error: type name requires a specifier or qualifier
>        MyObject* me = reinterpret_cast<__bridge MyObject*> (inRefCon);
>                                        ^
> error: expected '>'
>        MyObject* me = reinterpret_cast<__bridge MyObject*> (inRefCon);
>                                        ^
>> 
> note: to match this '<'
>        MyObject* me = reinterpret_cast<__bridge MyObject*> (inRefCon);
>                                       ^
> Is it a bug in the compiler, or am I doing something wrong? 
> 
> TIA,
> -- 
> Rick
> 
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