GUI program on Mac OS in D?

[mrphobby]

On Monday, 5 February 2018 at 19:44:37 UTC, Jacob Carlborg wrote:
> Note that this applies to all classes, not just NSString.

Ah yes, I will make sure it works for all the NSObject types.

>> class NSStringRef {
>> public:
>>      this(string s) {
>>          str_ = 
>> NSString.alloc.initWithBytes(cast(immutable(ubyte)*) s.ptr,
>>                                              s.length,
>> NSStringEncoding.NSUTF8StringEncoding);
>>      }
>> 
>>      ~this() {
>>          str_.release();
>>      }
>
> Note that this is not deterministic. There's not even a 
> guarantee that a destructor for a class will be run at all.

Oh I simply tested this by running millions of allocations and it 
seemed to work but I will have to use a struct then instead I 
guess.

>>      NSStringRef s = new NSStringRef("Hello");
>>      NSLog(s.str);
>
> You can add an "alias this" [1] to avoid calling "str" 
> explicitly.

Ah that's neat!

> Currently the only correct way would be to wrap the class in a 
> struct. There as been some talk to extend the language to 
> support for reference counted classes [2].

Ok that sounds good. However, I'm mostly interested in how to 
make it work with the tools that are available now :)