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so say you have an array of structs and the user can edit one of them at a time. should you just store the index & edit it
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You have to supply some semantic of identity. If index is a sufficiently descriptive identity, OK. Sometimes ordering's not stable.
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In general, though, I think about a tree-like structure: some parent can see all the structs; a leaf node sees only one. It emits…
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that might be nicer because i could store the before and then edit in place with Equatable
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… change events with new struct values. The parent knows how to map events from a given leaf node onto a "truth" value it holds.
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