What are some advanced techniques for using async and await in C#?
Some advanced techniques include using CancellationToken for task cancellation, configuring await with ConfigureAwait, and using ValueTask for performance optimization.
Can you explain how CancellationToken works with async methods?
Sure! CancellationToken allows you to signal cancellation requests to async methods, enabling you to stop long-running tasks gracefully.
What is ConfigureAwait and why should I use it?
ConfigureAwait allows you to specify whether to marshal the continuation back to the original context, which can improve performance in certain scenarios.
When should I use ValueTask instead of Task?
Use ValueTask when the result of an async operation is already available or when the operation is expected to complete synchronously, to reduce allocations.
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