C# Task and Task<T>: A Promise That Starts Hot
An async method starts running the moment it is called; await does not start work, it waits for its result. The task life cycle and Status values, creating tasks with Task.FromResult and TaskCompletionSource, awaiting the same task twice, starting work first and awaiting later, and the Task<Task> trap of Task.Factory.StartNew.
7 Nov 2026
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10 min
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5
