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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Newtonsoft.Json.Utilities;
using System.Collections;
namespace Newtonsoft.Json.Linq
{
/// <summary>
/// Represents a collection of <see cref="JToken"/> objects.
/// </summary>
/// <typeparam name="T">The type of token</typeparam>
public struct JEnumerable<T> : IJEnumerable<T> where T : JToken
{
/// <summary>
/// An empty collection of <see cref="JToken"/> objects.
/// </summary>
public static readonly JEnumerable<T> Empty = new JEnumerable<T>(Enumerable.Empty<T>());
private readonly IEnumerable<T> _enumerable;
/// <summary>
/// Initializes a new instance of the <see cref="JEnumerable{T}"/> struct.
/// </summary>
/// <param name="enumerable">The enumerable.</param>
public JEnumerable(IEnumerable<T> enumerable)
{
ValidationUtils.ArgumentNotNull(enumerable, "enumerable");
_enumerable = enumerable;
}
/// <summary>
/// Returns an enumerator that iterates through the collection.
/// </summary>
/// <returns>
/// A <see cref="T:System.Collections.Generic.IEnumerator`1"/> that can be used to iterate through the collection.
/// </returns>
public IEnumerator<T> GetEnumerator()
{
return _enumerable.GetEnumerator();
}
/// <summary>
/// Returns an enumerator that iterates through a collection.
/// </summary>
/// <returns>
/// An <see cref="T:System.Collections.IEnumerator"/> object that can be used to iterate through the collection.
/// </returns>
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
/// <summary>
/// Gets the <see cref="IJEnumerable{JToken}"/> with the specified key.
/// </summary>
/// <value></value>
public IJEnumerable<JToken> this[object key]
{
get { return new JEnumerable<JToken>(Extensions.Values<T, JToken>(_enumerable, key)); }
}
/// <summary>
/// Determines whether the specified <see cref="System.Object"/> is equal to this instance.
/// </summary>
/// <param name="obj">The <see cref="System.Object"/> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="System.Object"/> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
public override bool Equals(object obj)
{
if (obj is JEnumerable<T>)
return _enumerable.Equals(((JEnumerable<T>)obj)._enumerable);
return false;
}
/// <summary>
/// Returns a hash code for this instance.
/// </summary>
/// <returns>
/// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.
/// </returns>
public override int GetHashCode()
{
return _enumerable.GetHashCode();
}
}
}
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