[fpc-devel] Delphi anonymous methods

[Boian Mitov]

One thing for sure, I probably will very much never need to declare TThread 
inherited classes. I can use a single anonymous method for that, thanks to 
the ability of the anonymous method to capture local and member variables.
This is something not doable with closure as it has fixed number of 
parameters ;-) .

With best regards,
Boian Mitov

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-----Original Message----- 
From: Boian Mitov
Sent: Sunday, March 03, 2013 8:54 PM
To: FPC developers' list
Subject: Re: [fpc-devel] Delphi anonymous methods

Here is example:

Parallel execution with selection of executor:

for i := 0 to AMaxScaleIndex - 1 do
  begin
  APerIterationLocations.Add( TRTDynamicList<TVLImageRect>.Create() );
  AExecutionTask.Add( AExecutor.Execute(
      procedure()
      begin
        ProcessOne( levelScale[ i ], img, hitThreshold, winStride, padding,
APerIterationLocations[ i ] );
      end
    ));

  end;