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34 lines
1.0 KiB
C#
34 lines
1.0 KiB
C#
using System.Collections;
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namespace uPLibrary.Networking.M2Mqtt.Utility
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{
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/// <summary>
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/// Extension class for a Queue
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/// </summary>
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internal static class QueueExtension
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{
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/// <summary>
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/// Predicate for searching inside a queue
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/// </summary>
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/// <param name="item">Item of the queue</param>
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/// <returns>Result of predicate</returns>
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internal delegate bool QueuePredicate(object item);
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/// <summary>
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/// Get (without removing) an item from queue based on predicate
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/// </summary>
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/// <param name="queue">Queue in which to search</param>
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/// <param name="predicate">Predicate to verify to get item</param>
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/// <returns>Item matches the predicate</returns>
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internal static object Get(this Queue queue, QueuePredicate predicate)
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{
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foreach (var item in queue)
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{
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if (predicate(item))
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return item;
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}
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return null;
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}
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}
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}
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