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Re:Why Elm? [pdf] by mistersys on Monday May 08, 2017 @06:32PM (#14296246)
The parents of each of these elements have to manually map the state changes, they have to be aware of the internal state of the components, just as I was saying.

Check this out: https://github.com/rtfeldman/elm-spa-example/blob/master/src...

Go to the bottom, see how it manually maps the child events of the feed update? You have to duplicate that code for every single child component. All the other steps I described are there also.

Re:Why Elm? [pdf] by rtfeldman on Tuesday May 09, 2017 @12:07AM (#14297669)
Again, there are lots of counterexamples to what you're claiming. The technique you're saying "must" be done in "every single" case came up a grand total of once in the entire code base: the file you linked to.