Challenge: write a reference counted slice that works as much as possible like a built-in slice
deadalnix
deadalnix at gmail.com
Thu Nov 11 10:13:31 UTC 2021
On Thursday, 11 November 2021 at 09:24:17 UTC, Atila Neves wrote:
> On Wednesday, 10 November 2021 at 13:52:26 UTC, deadalnix wrote:
>> On Tuesday, 9 November 2021 at 18:33:01 UTC, Atila Neves wrote:
>>> I think that C++'s greatest gift to the world was the
>>> destructor. We have those too! Let's use them.
>>>
>>
>> Indeed, but I have unfortunate news. We broke the gift. In D,
>> object can be destroyed without being constructed first.
>>
>> Consider: https://godbolt.org/z/EdW75jWGn
>>
>> This is the first problem we need to fix here, if we don't
>> want to have to plaster our code with runtime checks.
>
> `@disable this();`, but you knew that. It's true that requiring
> a programmer to do something to prevent bugs is a terrible
> idea. Sigh.
@disable this just make the exemple slightly more convoluted, but
the fundamental problem doesn't change.
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