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Last change
on this file was 84, checked in by george, 15 years ago |
- Modified: Thanks to compiler directives and simple macros specialized types was moved to one unit per base generic class. Directive $DEFINE is used to specify generic class template parameters which will be included to code. This approach enable to define more specialized types per unit.
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File size:
825 bytes
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| 1 | {$IFDEF INTERFACE}
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| 2 |
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| 3 | // TGRange<TRangeItem> = class
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| 4 | TGRange = class
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| 5 | private
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| 6 | procedure SetDistance(const AValue: TRangeItem);
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| 7 | function GetDistance: TRangeItem;
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| 8 | public
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| 9 | A: TRangeItem;
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| 10 | B: TRangeItem;
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| 11 | procedure SetRange(NewA, NewB: TRangeItem);
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| 12 | property Distance: TRangeItem read GetDistance write SetDistance;
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| 13 | end;
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| 14 |
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| 15 | {$UNDEF INTERFACE}
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| 16 | {$ENDIF}
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| 17 |
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| 18 | {$IFDEF IMPLEMENTATION}
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| 19 |
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| 20 | { TGRange }
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| 21 |
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| 22 | procedure TGRange.SetDistance(const AValue: TRangeItem);
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| 23 | begin
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| 24 | B := A + AValue;
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| 25 | end;
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| 26 |
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| 27 | function TGRange.GetDistance: TRangeItem;
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| 28 | begin
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| 29 | Result := B - A;
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| 30 | end;
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| 31 |
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| 32 | procedure TGRange.SetRange(NewA, NewB: TRangeItem);
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| 33 | begin
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| 34 | if NewA > NewB then begin
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| 35 | A := NewB;
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| 36 | B := NewA;
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| 37 | end else begin
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| 38 | A := NewA;
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| 39 | B := NewB;
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| 40 | end;
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| 41 | end;
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| 42 |
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| 43 | {$UNDEF IMPLEMENTATION}
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| 44 | {$ENDIF}
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