mono/netcore/System.Private.CoreLib/shared/System/Reflection/IntrospectionExtensions.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

namespace System.Reflection
{
    public static class IntrospectionExtensions
    {
        public static TypeInfo GetTypeInfo(this Type type)
        {
            if (type == null)
                throw new ArgumentNullException(nameof(type));

            if (type is IReflectableType reflectableType)
                return reflectableType.GetTypeInfo();

            return new TypeDelegator(type);
        }
    }
}