Paralysis of analysis
Craig Black
craigblack2 at cox.net
Tue Dec 14 18:36:56 PST 2010
"Jonathan M Davis" <jmdavisProg at gmx.com> wrote in message
news:mailman.1005.1292374292.21107.digitalmars-d at puremagic.com...
> On Tuesday, December 14, 2010 16:35:34 Craig Black wrote:
>> > What say you?
>>
>> I feel like the odd man out here since my perspective is so different. I
>> use custom container classes even in C++, partly because I can usually
>> get
>> better performance that way, and because I can customize the the
>> container
>> however I like. So I will probably be doing my own containers if/when I
>> use D.
>>
>> Beyond that, my own personal preferences seem so different that I
>> hesitate
>> to mention them. I use dynamic arrays by far the most out of all
>> container
>> classes. I use them so much that I cringe at the thought of allocating
>> them on the GC heap. My code is very high performance and I would like
>> to
>> keep it that way.
>>
>> Also, my usage of arrays is such that most of them are empty, so it is
>> important to me that the empty arrays are stored efficiently. Using my
>> custom container class, an empty array does not require a heap
>> allocation,
>> and only requires a single pointer to be allocated.
>>
>> Not sure if these requirements are important to anyone else, but I don't
>> mind making my own custom containers if I need to.
>
> Dynamic arrays are already on the GC heap...
>
> - Jonathan M Davis
Using built-in D arrays, yes. Using a templated struct, they don't have to
be. C++ std::vector works just fine without GC. The same can be done in
D.
More information about the Digitalmars-d
mailing list