If Bind is fundamental to monads, how come we don’t use more SelectMany in Linq?
(Sorry, can’t think of anything useful to add to the question)
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If Bind is fundamental to monads, how come we don’t use more SelectMany in Linq?
(Sorry, can’t think of anything useful to add to the question)
Well,
SelectManyis crucial in that many other things can be expressed that way – but that doesn’t mean it’s always the most concise way of expressing it. You can think ofSelect,Whereand so on as merely convenience methods… but ones which are so convenient that we often don’t need the most flexible form.To give another example,
Aggregatecan perform all the aggregation you want – butMax,Countetc are far more common.