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using System; | |
using System.Runtime.InteropServices; | |
class Program | |
{ | |
[StructLayout(LayoutKind.Explicit)] | |
struct Union | |
{ | |
[FieldOffset(0)] | |
public string str; | |
[FieldOffset(0)] | |
public FakeString fakeStr; | |
} | |
class FakeString | |
{ | |
public int length; | |
} | |
static void Main() | |
{ | |
var union = default(Union); | |
union.str = "Hello, World!"; | |
union.fakeStr.length = -42; | |
Console.WriteLine("Hello, World!".Length); // -42 | |
} | |
} |
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