A Refcounted Array Type
deadalnix via Digitalmars-d
digitalmars-d at puremagic.com
Tue Feb 24 14:16:50 PST 2015
On Tuesday, 24 February 2015 at 15:51:42 UTC, Andrei Alexandrescu
wrote:
> On 2/23/15 6:05 PM, Walter Bright wrote:
>> On 2/23/2015 5:41 PM, weaselcat wrote:
>>> On Monday, 23 February 2015 at 22:15:54 UTC, Walter Bright
>>> wrote:
>>>> ref E opIndex(size_t i) return // here's the magic
>>>
>>> exactly what is this doing? I don't see this explained in
>>> DIP25 at all.
>>
>> The 'this' is passed by reference. So the 'return' is really
>> 'return ref
>> this', the rest is explained by DIP25.
>
> We should amend DIP25 to explain that "this" is handled like a
> parameter. -- Andrei
Note that I'm not surprised by that behavior (this is indeed ref
for struct). But this is not ref for classes, which will defeat
DIP25.
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