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unit toperator3;
interface
type
op2 = record
x,y,z : longint;
end;
operator + (const a,b : op2) c : op2;
implementation
uses
toperator2,toperator4;
operator + (const a,b : op2) c : op2;
begin
c.x:=a.x+b.x;
c.y:=a.y+b.y;
end;
procedure test_op3;
var
a,b,c : op3;
begin
a.x:=44.0;
a.y:=67.0;
b.x:=-34.0;
b.y:=-57.0;
c:=a+b;
if (c.x<>10.0) or (c.y<>10.0) then
Halt(1);
end;
procedure test_op2;
var
a,b,c : op2;
begin
a.x:=44;
a.y:=67;
b.x:=-34;
b.y:=-57;
c:=a+b;
if (c.x<>10) or (c.y<>10) then
Halt(1);
end;
procedure test_op1;
var
a,b,c : op1;
begin
a.x:=44;
a.y:=67;
b.x:=-34;
b.y:=-57;
c:=a+b;
if (c.x<>10) or (c.y<>10) then
Halt(1);
end;
begin
test_op1;
test_op2;
test_op3;
end.
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