| 1 | unit UObjectDouble;
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| 2 |
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| 3 | interface
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| 4 |
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| 5 | uses
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| 6 | UObjectTypeBase, UObjectBoolean;
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| 7 |
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| 8 | type
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| 9 | TDouble = class(TInterfacedObject, IAssignable, IOrderable, IComparable)
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| 10 | procedure Assign(Source: TInterfacedObject);
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| 11 | function HigherThen(Operand: IOrderable): TBoolean;
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| 12 | function LowerThan(Operand: IOrderable): TBoolean;
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| 13 | function Max(Operand1, Operand2: IOrderable): IOrderable;
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| 14 | function Min(Operand1, Operand2: IOrderable): IOrderable;
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| 15 | function EqualTo(Operand: IComparable): TBoolean;
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| 16 | function Predecessor: IOrderable;
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| 17 | function Successor: IOrderable;
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| 18 | function Low: IOrderable;
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| 19 | function High: IOrderable;
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| 20 | end;
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| 21 |
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| 22 | implementation
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| 23 |
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| 24 | { TDouble }
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| 25 |
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| 26 | procedure TDouble.Assign(Source: TInterfacedObject);
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| 27 | begin
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| 28 |
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| 29 | end;
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| 30 |
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| 31 | function TDouble.EqualTo(Operand: IComparable): TBoolean;
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| 32 | begin
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| 33 |
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| 34 | end;
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| 35 |
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| 36 | function TDouble.High: IOrderable;
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| 37 | begin
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| 38 |
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| 39 | end;
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| 40 |
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| 41 | function TDouble.HigherThen(Operand: IOrderable): TBoolean;
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| 42 | begin
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| 43 |
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| 44 | end;
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| 45 |
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| 46 | function TDouble.Low: IOrderable;
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| 47 | begin
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| 48 |
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| 49 | end;
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| 50 |
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| 51 | function TDouble.LowerThan(Operand: IOrderable): TBoolean;
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| 52 | begin
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| 53 |
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| 54 | end;
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| 55 |
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| 56 | function TDouble.Max(Operand1, Operand2: IOrderable): IOrderable;
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| 57 | begin
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| 58 |
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| 59 | end;
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| 60 |
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| 61 | function TDouble.Min(Operand1, Operand2: IOrderable): IOrderable;
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| 62 | begin
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| 63 |
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| 64 | end;
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| 65 |
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| 66 | function TDouble.Predecessor: IOrderable;
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| 67 | begin
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| 68 |
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| 69 | end;
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| 70 |
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| 71 | function TDouble.Successor: IOrderable;
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| 72 | begin
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| 73 |
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| 74 | end;
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| 75 |
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| 76 | end.
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