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Date: Wed, 20 May 2015 13:11:10 +0200 (CEST)
From: Michael Van Canneyt
To: FPC-Pascal users discussions
Subject: Re: [fpc-pascal] TFPHashList and nil pointers
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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.
Michael.
Michael,
Thank for answer.
I would be a good idea to add this limitation in doc.
Regards,
Serguei