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lang-cs
Batchsimply implementIEnumerable<>? All of these design decisions have already been made 20 years ago for you.IEnumerableshould be the default, but more complex solutions might be motivated when dealing with large amount of data, concurrency etc.IEnumerable?StreamorSpan<byte>for in-memory data. But it really depends on the type of data, for things like audio or video, efficient handling of buffers can be critical, but in many other cases the overhead of calling a method is irrelevant. Manual batching like that might be relevant when fetching data from some web API.