static void Main(string[] args)
        {
            int t = 45;
            Console.WriteLine(t);
            Console.WriteLine(t.ToString());
            object o = t;

            Console.ReadLine();
        }

.method private hidebysig static 
	void Main (
		string[] args
	) cil managed 
{
	// Method begins at RVA 0x3a794
	// Code size 38 (0x26)
	.maxstack 1
	.entrypoint
	.locals init (
		[0] int32 t,
		[1] object o
	)

	IL_0000: nop
	IL_0001: ldc.i4.s 45
	IL_0003: stloc.0
	IL_0004: ldloc.0
	IL_0005: call void [mscorlib]System.Console::WriteLine(int32)
	IL_000a: nop
	IL_000b: ldloca.s t
	IL_000d: call instance string [mscorlib]System.Int32::ToString()
	IL_0012: call void [mscorlib]System.Console::WriteLine(string)
	IL_0017: nop
	IL_0018: ldloc.0
	IL_0019: box [mscorlib]System.Int32
	IL_001e: stloc.1
	IL_001f: call string [mscorlib]System.Console::ReadLine()
	IL_0024: pop
	IL_0025: ret
} // end of method Program::Main

public static void WriteLine(int value)
{
	Console.Out.WriteLine(value);
}
public virtual void WriteLine(int value)
{
	this.Write(value);
	this.WriteLine();
}
public virtual void Write(int value)
{
	this.Write(value.ToString(this.FormatProvider));
}
public string ToString(IFormatProvider provider)
{
	return Number.FormatInt32(this, null, NumberFormatInfo.GetInstance(provider));
}
public static extern string FormatInt32(int value, string format, NumberFormatInfo info);

    public struct Struct1
        {
            public string String1()
            {
                return "Struct1.String1";
            }
        }
        static void Main(string[] args)
        {
            Struct1 stru;
            Console.WriteLine(stru.String1());
            object o = stru;

            Console.ReadLine();
        }

.method private hidebysig static 
	void Main (
		string[] args
	) cil managed 
{
	// Method begins at RVA 0x3a794
	// Code size 28 (0x1c)
	.maxstack 1
	.entrypoint
	.locals init (
		[0] valuetype ConsoleApplication1.Program/Struct1 stru,
		[1] object o
	)

	IL_0000: nop
	IL_0001: ldloca.s stru
	IL_0003: call instance string ConsoleApplication1.Program/Struct1::String1()
	IL_0008: call void [mscorlib]System.Console::WriteLine(string)
	IL_000d: nop
	IL_000e: ldloc.0
	IL_000f: box ConsoleApplication1.Program/Struct1
	IL_0014: stloc.1
	IL_0015: call string [mscorlib]System.Console::ReadLine()
	IL_001a: pop
	IL_001b: ret
} // end of method Program::Main