[fpc-devel] Generics.Collections as package for Lazarus or package for FPC RTL

Marcos Douglas md at delfire.net
Fri Jan 29 12:35:12 CET 2016

On Fri, Jan 29, 2016 at 9:28 AM, Marco van de Voort <marcov at stack.nl> wrote:
> In our previous episode, silvioprog said:
>> > The format of interface VMTs could also differ per platform so considering
>> > that as more stable only holds true because of what we currently support.
>> >
>>  Sorry for ask here, but, don't you recomment to use interfaces? I'm making
>> a project and I'm planning to use some COM interfaces to make something a list
>> adapter
>> <http://developer.android.com/reference/android/widget/ListAdapter.html>.
> Interfaces are relatively slow. Not only because of the refcounting, but
> returning interfaces in a tight loop (e.g. to get the elements of an
> enumeration) would be a new allocation each time.

But even if you have small objects (max 3-5 methods and few attributes...) this
overhead that you talk about be slow, is still considerable?

In other words, do you consider refcounting always slow in all cases?

Marcos Douglas

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