But I’m a stubborn bastard, and if I find a technology I like, I’ll stick with it particularly for projects where I don’t have to care about what anyone else is using or what the latest trend is. So Ruby never really left me. I’ve always loved it, and given the choice, it’s the first tool I reach for to build something.
For our spreadsheet example, this step just generates a list of all dirty nodes, because every node (i.e. cell) is kind of an output node and an input node at the same time. In that case, you’d probably instead create a list of all nodes with no children. However, in a GUI framework, you might have “effect” nodes that are responsible for updating UI components — these are also leaves in the tree, but they’re specifically output leaves, because they form the observable part of our reactivity graph. This also means that an intermediate node that has no output won’t ever end up in this list, and therefore won’t get updated. This is something I’ll write about more in a follow-up post! ↩︎
，更多细节参见heLLoword翻译
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Фон дер Ляйен оценила идею вернуться к российскому топливу14:54