c#中結構的轉化樣本
structconversion.cs
using System;
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;
}
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);
}
private int value;
}
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);
}
}
