Added copy constructors to "Programming in D"
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jared771 at gmail.com
Thu Feb 10 23:21:50 UTC 2022
On Thursday, 10 February 2022 at 20:34:29 UTC, Walter Bright
wrote:
> On 2/10/2022 12:06 AM, Mathias LANG wrote:
>> I think an *immediate* improvement we could make to ease
>> people's life is to make `auto` peel the outermost qualifier
>> level inside functions.
>>
>> So that:
>> ```D
>> const int* ptr;
>> auto p2 = ptr;
>> static assert(is(typeof(p2) == const(int)*));
>> ```
>>
>> I really can't think of any downside to it, only upsides:
>> - It is still predictable / consistent;
>> - It *might* reduce the number of template instantiations in
>> some cases;
>> - It just flows more naturally... If you want full constness,
>> there's still `const`;
>
> It sounds sensible to me.
Didn't Scott Meyers cover exactly this in his "the last thing D
needs" talk? It seems like a really bad idea.
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