[fpc-devel] Standard generic classes

Benito van der Zander benito at benibela.de
Sat Jun 8 13:27:44 CEST 2019


An object based container library would also be helpful.

With classes stored on the heap you always need additional memory 
access. Just one, but that is already bad in performance critical loops



Best, Benito

Am 06.06.19 um 18:23 schrieb George Bakhtadze:
> It would be also great if there was an official set of interfaces (not 
> necessarily in interface type form but API description) describing all 
> these generic containers and algorithms.
> Thus, all implementations which follow these interfaces are 
> interchangeable.
> I believe this is even more important than 4-th or 5-th implementation.
> ---
> Best regards, George
> 06.06.2019, 17:58, "Ben Grasset" <operator97 at gmail.com>:
>
>     On Wed, Jun 5, 2019 at 11:11 AM Sven Barth via fpc-devel
>     <fpc-devel at lists.freepascal.org
>     <mailto:fpc-devel at lists.freepascal.org>> wrote:
>
>         You could try to adjust the FGL unit to use the pluggable
>         sorting system introduced here:
>         https://svn.freepascal.org/cgi-bin/viewvc.cgi?view=revision&revision=41167
>
>     Wouldn't that system itself need to be generic and not just use
>     void pointers first? Or is that part of what you meant?
>     IMO something FGL would benefit from also is the removal of the
>     probably-not-the-best-design inheritance from non-generic TFPSList
>     to everything else, which prevents inlining in a large number of
>     places (the compiler notes indicating such are visible basically
>     any time you use anything from FGL.)
>     ,
>
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