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// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
// =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
//
// OrdinalIndexState.cs
//
// <OWNER>igoro</OWNER>
//
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
namespace System.Linq.Parallel
{
/// <summary>
/// Describes the state of order preservation index associated with an enumerator.
/// </summary>
internal enum OrdinalIndexState : byte
{
Indexible = 0, // Indices of elements are 0,1,2,... An element with any index can be accessed in constant time.
Correct = 1, // Indices of elements are 0,1,2,... Within each partition, elements are in the correct order.
Increasing = 2, // Indices of elements are increasing. Within each partition, elements are in the correct order.
Shuffled = 3, // Indices are of arbitrary type. Elements appear in an arbitrary order in each partition.
}
} |