c#6初级电容器
本文关键字:电容器 c#6 | 更新日期: 2023-09-27 18:28:47
我有以下两个类
public class Point(int x, int y)
{
public int X { get; } = x;
public int Y { get; } = y;
}
public class Point2
{
public int X { get; private set; }
public int Y { get; private set; }
public Point2(int x, int y)
{
this.X = x;
this.Y = y;
}
}
使用jetbrains dotpeek,我在反编译时得到以下内容:
namespace ConsoleApplication1
{
public class Point
{
public int X
{
get
{
return this.'u003CX'u003Ek__BackingField;
}
}
public int Y
{
get
{
return this.'u003CY'u003Ek__BackingField;
}
}
public Point(int x, int y)
{
}
}
}
和
namespace ConsoleApplication1
{
public class Point2
{
public int X { get; private set; }
public int Y { get; private set; }
public Point2(int x, int y)
{
this.X = x;
this.Y = y;
}
}
}
对于使用主构造函数的Point类,我无法理解反编译时的ctor是空的。我认为它将与Point2相同,在Point2中它将设置支持字段。有人能解释一下吗?
您之所以看不到这一点,是因为初始化后台字段的代码由编译器生成,默认情况下dotPeek不会显示编译器生成的代码。但如果您启用"显示编译器生成的代码",您将看到以下内容:
public class Point
{
[CompilerGenerated]
[DebuggerBrowsable(DebuggerBrowsableState.Never)]
private readonly int 'u003CX'u003Ek__BackingField;
[CompilerGenerated]
[DebuggerBrowsable(DebuggerBrowsableState.Never)]
private readonly int 'u003CY'u003Ek__BackingField;
public int X
{
get
{
return this.'u003CX'u003Ek__BackingField;
}
}
public int Y
{
get
{
return this.'u003CY'u003Ek__BackingField;
}
}
public Point(int x, int y)
{
this.'u003CX'u003Ek__BackingField = x;
this.'u003CY'u003Ek__BackingField = y;
base.'u002Ector();
}
}