21 lines
284 B
ObjectPascal
21 lines
284 B
ObjectPascal
|
type
|
|||
|
|
t1 = abstract class
|
|||
|
|
|
|||
|
|
procedure p1(p: procedure); abstract;
|
|||
|
|
|
|||
|
|
end;
|
|||
|
|
t2 = class(t1)
|
|||
|
|
|
|||
|
|
procedure p1(p: procedure); override;
|
|||
|
|
begin
|
|||
|
|
p;
|
|||
|
|
end;
|
|||
|
|
|
|||
|
|
end;
|
|||
|
|
|
|||
|
|
begin
|
|||
|
|
var o := new t2;
|
|||
|
|
var i := 0;
|
|||
|
|
o.p1(()->begin i:=1 end);
|
|||
|
|
assert(i = 1);
|
|||
|
|
end.
|