c#中结构的转化示例
c#中结构的转化示例
structconversion.cs
using System;
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struct RomanNumeral
{
public RomanNumeral(int value)
{
this.value = value;
}
static public implicit operator RomanNumeral(int value)
{
return new RomanNumeral(value);
}
static public implicit operator RomanNumeral(BinaryNumeral binary)
{
return new RomanNumeral((int)binary);
}
static public explicit operator int(RomanNumeral roman)
{
return roman.value;
}
static public implicit operator string(RomanNumeral roman)
{
return("Conversion not yet implemented";
}
private int value;
}
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struct BinaryNumeral
{
public BinaryNumeral(int value)
{
this.value = value;
}
static public implicit operator BinaryNumeral(int value)
{
return new BinaryNumeral(value);
}
static public implicit operator string(BinaryNumeral binary)
{
return("Conversion not yet implemented";
}
static public explicit operator int(BinaryNumeral binary)
{
return(binary.value);
}
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private int value;
}
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class Test
{
static public void Main()
{
RomanNumeral roman;
roman = 10;
BinaryNumeral binary;
// Perform a conversion from a RomanNumeral to a
// BinaryNumeral:
binary = (BinaryNumeral)(int)roman;
// Performs a conversion from a BinaryNumeral to a RomanNumeral.
// No cast is required:
roman = binary;
Console.WriteLine((int)binary);
Console.WriteLine(binary);
}
}
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