42 lines
678 B
ObjectPascal
42 lines
678 B
ObjectPascal
type TClass = class
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a : integer;
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constructor(a : integer);
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begin
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self.a := a;
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end;
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class function operator implicit(a : integer):TClass;
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begin
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Result := new TClass(a);
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end;
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class function operator implicit(a : real):TClass;
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begin
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Result := new TClass(round(a));
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end;
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class function operator implicit(t : TClass):integer;
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begin
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Result := t.a;
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end;
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class function operator explicit(t : TClass):char;
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begin
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Result := System.Convert.ToChar(t.a);
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end;
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end;
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var t : TClass;
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i : integer;
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r : real;
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begin
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t := 202;
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assert(t.a = 202);
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i := t;//integer(t);
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assert(i=202);
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var c : char := char(t);
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assert(c=char(202));
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t := 112.23;
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assert(t.a = 112);
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end. |