In the ConcurrentQeueue<> class, and extra method TryDequeue() is defined. But, as it implements IProducerConsumerCollection<>, it also has a TryTake() method. According to the docs, they both do the same thing:

TryDequeue:

Tries to remove and return the object at the beginning of the concurrent queue.

TryTake:

For ConcurrentQueue, this operation will attempt to remove the object from the beginning of the ConcurrentQueue.

Why bother with implementing that TryDequeue method?

CodePudding user response：

What is the difference between TryDequeue and TryTake in a ConcurrentQueue<>

According to available source code there is no difference as TryTake invokes TryDequeue

/// <summary>
/// Attempts to remove and return an object from the <see cref="Concurrent.IProducerConsumerCollection{T}"/>.
/// </summary>
/// <param name="item">
/// When this method returns, if the operation was successful, <paramref name="item"/> contains the
/// object removed. If no object was available to be removed, the value is unspecified.
/// </param>
/// <returns>true if an element was removed and returned successfully; otherwise, false.</returns>
/// <remarks>For <see cref="ConcurrentQueue{T}"/>, this operation will attempt to remove the object
/// from the beginning of the <see cref="ConcurrentQueue{T}"/>.
/// </remarks>
bool IProducerConsumerCollection<T>.TryTake([MaybeNullWhen(false)] out T item) => TryDequeue(out item);

Souce: https://source.dot.net/#System.Private.CoreLib/ConcurrentQueue.cs,201

Why bother with implementing that TryDequeue method?

TryDequeue follows expected name conventions associated with queues and is local to ConcurrentQueue<>. As well, TryTake follows naming convention normally associated with producer/consumer pattern.