c#中结构的转化示例

c#中结构的转化示例

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using System;
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struct RomanNumeral
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...{
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public RomanNumeral(int value) 
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...{
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this.value = value; 
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static public implicit operator RomanNumeral(int value)
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...{
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return new RomanNumeral(value);
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static public implicit operator RomanNumeral(BinaryNumeral binary)
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...{
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return new RomanNumeral((int)binary);
ExpandedSubBlockEnd.gif    }

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static public explicit operator int(RomanNumeral roman)
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...{
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return roman.value;
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static public implicit operator string(RomanNumeral roman) 
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...{
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return("Conversion not yet implemented";
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private int value;
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struct BinaryNumeral
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...{
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public BinaryNumeral(int value) 
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...{
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this.value = value;
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static public implicit operator BinaryNumeral(int value)
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...{
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return new BinaryNumeral(value);
ExpandedSubBlockEnd.gif    }

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static public implicit operator string(BinaryNumeral binary)
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...{
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return("Conversion not yet implemented";
ExpandedSubBlockEnd.gif    }

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static public explicit operator int(BinaryNumeral binary)
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...{
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return(binary.value);
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private int value;
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class Test
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...{
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static public void Main()
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...{
InBlock.gif        RomanNumeral roman;
InBlock.gif        roman 
= 10;
InBlock.gif        BinaryNumeral binary;
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// Perform a conversion from a RomanNumeral to a
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// BinaryNumeral:
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        binary = (BinaryNumeral)(int)roman;
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// Performs a conversion from a BinaryNumeral to a RomanNumeral.
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// No cast is required:
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        roman = binary;
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int)binary);
InBlock.gif        Console.WriteLine(binary);
ExpandedSubBlockEnd.gif    }

ExpandedBlockEnd.gif}

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