IL_0000: newobj instance void Headers::.ctor()

IL_0005: ret

​

private decimal _amount;

​

public string FormattedAmount

{

    get { return string.Format("{0:C}", _amount); }

}

​

private decimal? _amount;

// For nullable decimals

public string FormattedAmount

{

    get

    {

         return _amount == null ? "null" : string.Format("{0:C}", _amount.Value);

    }

}  

​

BenchmarkDotNet=v0.12.1, OS=Windows 10.0.19042

Intel Core i7-7500U CPU 2.70GHz (Kaby Lake), 1 CPU, 4 logical and 2 physical cores

.NET Core SDK=5.0.104

  [Host]     : .NET Core 5.0.5 (CoreCLR 5.0.521.16609, CoreFX 5.0.521.16609), X64 RyuJIT

  Job-ONVXJR : .NET Core 5.0.5 (CoreCLR 5.0.521.16609, CoreFX 5.0.521.16609), X64 RyuJIT

​

LaunchCount=50  RunStrategy=ColdStart  

​

Type typeToCreate = typeof(Headers);

object headers = Activator.CreateInstance(typeToCreate);

​

Type typeToCreate = typeof(Headers);

ConstructorInfor ctor = typeToCreate.GetConstructor(System.Type.EmptyTypes);

object headers = ctor.Invoke(null);

​

NewExpression constructorExpression = Expression.New(HeadersType);

Expression<Func<object>> lambdaExpression = Expression.Lambda<Func<object>>(constructoeExpression);

Func<object> createHeadersFunc = lambdaExpression.Compile();  

object Headers = createHeadersFunc();

​

Headers KafkaDynamicMethodHeaders()

{

  return new Headers();

}

​

Type headersType = typeof(Headers);

DynamicMethod createHeadersMethod = new DynamicMethod(

    name: $"KafkaDynamicMethodHeaders",

    returnType: headersType,

    parametertypes: null,

    module: typeof(ConstructorBenchmarks).Module,

    skipVisibility: false);

​

ConstructorInfor ctor = typeToCreate.GetConstructor(System.Type.EmptyTypes);

​

ILGenerator il = createHeadersMethod.GetILGenerator();

il.Emit(OpCodes.Newobj, Ctor);

il.Emit(OpCodes.Ret);

​