packages/System.Linq.Dynamic.Core.1.0.7.9/src/System.Linq.Dynamic.Core/Compatibility/CustomIntrospectionExtensions.cs

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using System.Linq;

namespace System.Reflection
{
    /// <summary>
    /// https://github.com/castleproject/Core/blob/netcore/src/Castle.Core/Compatibility/IntrospectionExtensions.cs
    /// </summary>
	internal static class CustomIntrospectionExtensions
    {
#if NET35 || NET40 || PORTABLE || SILVERLIGHT || WPSL
        // This allows us to use the new reflection API which separates Type and TypeInfo
        // while still supporting .NET 3.5 and 4.0. This class matches the API of the same
        // class in .NET 4.5+, and so is only needed on .NET Framework versions before that.
        //
        // Return the System.Type for now, we will probably need to create a TypeInfo class
        // which inherits from Type like .NET 4.5+ and implement the additional methods and
        // properties.
        public static Type GetTypeInfo(this Type type)
        {
            return type;
        }

        public static Type[] GetGenericTypeArguments(this Type type)
        {
            return type.GetGenericArguments();
        }

        public static MethodInfo[] GetDeclaredMethods(this Type type, string name)
        {
            return type.GetMethods().Where(m => m.Name == name).ToArray();
        }
#else
        public static Type[] GetGenericTypeArguments(this TypeInfo typeInfo)
        {
            return typeInfo.GenericTypeArguments;
        }
#endif
    }
}