So much of good system design is closure. A function of functions is a function. A stack of Lego bricks can be used like any one Lego brick.
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Been thinking about this a lot. Elm’s prescribed architecture implies that programs (state + fx) compose into programs (!)
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… This feels right to me, as long as state composes with state, events with events, etc. See: github.com/davidcairns/Ap
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Yeah, the composition of events has been one of the tricky issues. Particularly when you may need to add arbitrary "kinds"
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As events bubble up the object graph, they can be boxed and re-boxed to reflect the original emitter. Is this too brittle?
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Sorry, not sure what you mean!
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It’s also possible I’m the confused one. Dammit, Twitter! I guess: what’s the difficulty in composing events?
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Like, if some deep leaf must emit a “needs remote image” event, has to propagate through ancestors ignorant of that event type
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