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E2552 CLASS or RECORD constraint and class type constraint cannot be specified together (Object Pascal)

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This occurs when specifying both record and class constraints in a generic class.


program E2552;
{E2552 CLASS or RECORD constraint and class type constraint cannot be specified together}

{$APPTYPE CONSOLE}

uses
  SysUtils;

type

  TSampleClass <T: record, T: class> = record

  end;
begin

end.
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