[Gambas-user] Idea for arrays: .SWAP function
g4mba5 at gmail.com
Fri Oct 9 10:09:29 CEST 2020
Le 09/10/2020 à 10:07, Benoît Minisini a écrit :
> Le 09/10/2020 à 09:55, Rolf-Werner Eilert a écrit :
>> Hi Benoit and all,
>> Just had this one in a current project. To enable the user to push an
>> entry in a list one up or down, I have to swap the related values in
>> several arrays. There seems to be no swap function, so I have to write
>> 3 lines of codes for it, like this:
>> t$ = klName[po]
>> klName[po] = klName[po + 1]
>> klName[po + 1] = t$
>> I have to use these 3 lines for each array. How much easier it would
>> be if I could use a function like for this:
>> klName.Swap(po, po+1)
>> This would also make sense in ListBox etc.
>> I think this would enhance code and readability a lot.
> Do the following:
> Swap klName[po], klName[po + 1]
> It compiles into what you wrote, but using a stack slot instead of a
> local variable.
By the way your request is right in a way. An array Swap() method would
ba a little bit faster than the Swap instruction.
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