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{ helpers may override existing default properties }
program tchlp7;
{$ifdef fpc}
{$mode delphi}
{$endif}
{$apptype console}
type
TTest = class
private
function GetTest(aIndex: Integer): Integer;
public
property Test[Index: Integer]: Integer read GetTest; default;
end;
TTestHelper = class helper for TTest
function GetTest(aIndex: Integer): Integer;
property Test[Index: Integer]: Integer read GetTest; default;
end;
function TTest.GetTest(aIndex: Integer): Integer;
begin
Result := - aIndex;
end;
function TTestHelper.GetTest(aIndex: Integer): Integer;
begin
Result := aIndex;
end;
var
t: TTest;
res: Integer;
begin
t := TTest.Create;
res := t[3];
Writeln('value: ', res);
if res <> 3 then
Halt(1);
Writeln('ok');
end.
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