packages/System.Linq.Dynamic.Core.1.0.7.12/src/System.Linq.Dynamic.Core/DynamicEnumerableExtensions.cs

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using JetBrains.Annotations;
using System.Collections;
using System.Collections.Generic;
using System.Linq.Dynamic.Core.Validation;
using System.Reflection;

namespace System.Linq.Dynamic.Core
{
    /// <summary>
    /// Define extensions on <see cref="IEnumerable"/>.
    /// </summary>
    public static class DynamicEnumerableExtensions
    {
        private static readonly MethodInfo ToDynamicArrayGenericMethod;

        static DynamicEnumerableExtensions()
        {
            ToDynamicArrayGenericMethod = typeof(DynamicEnumerableExtensions).GetTypeInfo().GetDeclaredMethods("ToDynamicArray")
                .First(x => x.IsGenericMethod);
        }

        /// <summary>
        /// Creates an array of dynamic objects from a <see cref="IEnumerable"/>.
        /// </summary>
        /// <param name="source">A <see cref="IEnumerable"/> to create an array from.</param>
        /// <returns>An array that contains the elements from the input sequence.</returns>
#if NET35
        public static object[] ToDynamicArray([NotNull] this IEnumerable source)
        {
            Check.NotNull(source, nameof(source));
            return CastToArray<object>(source);
        }
#else
        public static dynamic[] ToDynamicArray([NotNull] this IEnumerable source)
        {
            Check.NotNull(source, nameof(source));
            return CastToArray<dynamic>(source);
        }
#endif

        /// <summary>
        /// Creates an array of dynamic objects from a <see cref="IEnumerable"/>.
        /// </summary>
        /// <typeparam name="T">The generic type.</typeparam>
        /// <param name="source">A <see cref="IEnumerable"/> to create an array from.</param>
        /// <returns>An Array{T} that contains the elements from the input sequence.</returns>
        public static T[] ToDynamicArray<T>([NotNull] this IEnumerable source)
        {
            Check.NotNull(source, nameof(source));
            return CastToArray<T>(source);
        }

        /// <summary>
        /// Creates an array of dynamic objects from a <see cref="IEnumerable"/>.
        /// </summary>
        /// <param name="source">A <see cref="IEnumerable"/> to create an array from.</param>
        /// <param name="type">A <see cref="Type"/> cast to.</param>
        /// <returns>An Array that contains the elements from the input sequence.</returns>
#if NET35
        public static object[] ToDynamicArray([NotNull] this IEnumerable source, [NotNull] Type type)