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program toperator11;
{$mode objfpc}{$H+}
{$apptype console}
type
TFoo = record
F: Integer;
end;
operator Inc(a: TFoo): TFoo;
begin
Result.F := a.F + 1;
end;
operator Dec(a: TFoo): TFoo;
begin
Result.F := a.F - 1;
end;
operator :=(a: TFoo): Integer;
begin
Result := a.F;
end;
operator explicit(a: TFoo): Integer;
begin
Result := a.F + 1;
end;
var
a: TFoo;
i: Integer;
begin
a.F := 1;
inc(a);
if a.F <> 2 then
halt(1);
dec(a);
if a.F <> 1 then
halt(2);
i := a;
if i <> 1 then
halt(3);
if Integer(a) <> 2 then
halt(4);
WriteLn('ok');
end.
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