[fpc-pascal] TFPHashList and nil pointers

[waldo kitty]

On 05/20/2015 07:11 AM, Michael Van Canneyt wrote:
>
>
> On Tue, 19 May 2015, Serguei TARASSOV wrote:
>
>> Hello,
>>
>> Is it normal that TFPHashList cannot find an item by name if the pointer is nil?
>> However, the item is stored in the list.
>>
>> FPC 2.6.4, both Windows and Linux versions.
>>
>> program project1;
>>
>> uses
>>  Contnrs;
>>
>> var
>>  List: TFPHashList;
>> begin
>>  List := TFPHashList.Create;
>>  List.Add('Name1', List);
>>  List.Add('Name2', nil);
>>  writeln('List count: ', List.Count);
>>  writeln('Index of Name1: ', List.FindIndexOf('Name1'));
>>  writeln('Index of Name2: ', List.FindIndexOf('Name2'));
>>  List.Free;
>> end.
>>
>> Output:
>> List count: 2
>> Index of Name1: 0
>> Index of Name2: -1
>
> It is by design.

how do you find and update that item and its pointer?

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