[fpc-devel] Sorting tests

J. Gareth Moreton gareth at moreton-family.com
Mon Nov 28 12:57:55 CET 2022


That could work - could be interesting to experiment with.

Kit

On 28/11/2022 11:43, Stefan Glienke via fpc-devel wrote:
>
> Nevermind - I guess there is: 
> https://www.freepascal.org/docs-html/rtl/system/gettypekind.html
>
> Am 28.11.2022 um 12:35 schrieb Stefan Glienke via fpc-devel:
>>
>> In Delphi that would be the 
>> https://docwiki.embarcadero.com/Libraries/Alexandria/en/System.GetTypeKind 
>> intrinsic - I could not find that one in the 3.2.0 feature list.
>>
>> Am 28.11.2022 um 11:17 schrieb J. Gareth Moreton via fpc-devel:
>>>
>>> Well that spoils that idea!  Is there any way to determine if it's 
>>> pointer-based so you can swap references instead of going through 
>>> the whole penalty of creating and destroying temporary objects?
>>>
>>> Kit
>>>
>>> On 28/11/2022 10:07, Sven Barth wrote:
>>>> J. Gareth Moreton via fpc-devel <fpc-devel at lists.freepascal.org> 
>>>> schrieb am Mo., 28. Nov. 2022, 11:01:
>>>>
>>>>     Just want to clarify something... if a type is managed, can it
>>>>     be safely
>>>>     typecast to a pointer in all instances and on all platforms? (The
>>>>     purpose being so if I wanted to swap two items, so there's no
>>>>     overall
>>>>     change in the reference counters, I can simply swap the
>>>>     pointers...
>>>>     there's no dereferencing involved!)
>>>>
>>>>
>>>> No, managed does not automatically mean that it's a Pointer based 
>>>> type. Records with management operators, Variants and Windows 
>>>> WideString are managed as well.
>>>>
>>>> Regards,
>>>> Sven
>>>>
>>>
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