Part of the value of push-based systems is that each node only needs to keep track of its own dependencies and dependents, which makes analysing each node locally easy, but analysing the system as a whole hard. In the extreme case, you might dynamically create and destroy nodes in the tree depending on previous values — this doesn’t make sense for our spreadsheet analogy, but is essentially what’s happening with RxJS’s switchMap operator. Essentially, the more dynamism we want in our system, the harder it is to achieve efficient updates, and the more we want efficient updates, the more we need to specify our dependency graphs up-front.
«Да, многое сожжено дотла, но как это приблизит нас к достижению целей краха режима или ликвидации программы создания ракет большой дальности? Неясно, как этот массированный обстрел приведет к достижению любой из этих целей», — подчеркнул он.
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For that reason, excising transferred intent doctrine would compel the law to draw distinctions between plaintiffs that seem morally absurd. Suppose that a defendant attempts to murder his romantic rival A by shooting at a figure that looks like A, but the figure is in fact a mannequin; the bullet goes through the ground where it pierces the heart of another person who is unforeseeably buried alive beneath it (and would have been dug out in due course, had she not been shot). Even without a doctrine of transferred intent, the law would appear to hold the defendant liable in battery to the victim if the victim happens to be A, for in that case the defendant has killed A by acting on an intention to kill him (strange though the causal route may be).139 Without a doctrine of transferred intent, the law will hold the defendant liable to the victim only if the victim happens to be A, rather than some different person B. That seems absurd.