What is the ValueTask equivalent of Task.CompletedTask?

All structs have a default constructor. The default constructor of ValueTask creates a completed ValueTask: var completedValueTask = new ValueTask(); Or alternatively: ValueTask completedValueTask = default; Update: The official documentation has been updated with the following note: An instance created with the parameterless constructor or by the default(ValueTask) syntax (a zero-initialized structure) represents a synchronously, … Read more

Task.WhenAll for ValueTask

By design, no. From the docs: (link updated) A method may return an instance of this value type when it’s likely that the result of its operation will be available synchronously, and when it’s expected to be invoked so frequently that the cost of allocating a new Task<TResult> for each call will be prohibitive. … … Read more

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