Yes, exactly. And I want an elegant implementation. 在 2016年5月16日星期一 UTC+8下午2:04:58，Peter Damoc写道： > > Hi Nandiin, > > It is not clear for me what are you actually trying to accomplish here. > I understand that you want the synchronization but it is not clear what > would a satisfying solution would be. > > I somehow think you might want side-effects where by side-effects I mean > have a piece of state (the shared state) that can be given to > sub-components and have the sub-components mutate it. > In other words, have a sub-component that directly changes something > outside of it. > This way, when one component mutates the global state, the change is > present in the other components that rely on that state. > Is this what you are ultimately trying to accomplish? > > > > > On Mon, May 16, 2016 at 5:37 AM, Nandiin Bao <[email protected] > <javascript:>> wrote: > >> I'm struggling with "Model sharing(synchronizing) problem" posted at here >> <https://groups.google.com/forum/#!topic/elm-discuss/7xusVa-jR4c> and >> Peter raised some solution on it, but those needs either explicitly coding >> synchronization codes or some extra-knowledge of sub module. And then I >> found some posts (and replies on those posts) describing similar problems: >> >> Dealing with state duplication within the model (The Elm Architecture) >> <https://groups.google.com/forum/#!searchin/elm-discuss/subscription/elm-discuss/DPuz9Ky6EDs/4oGrJatyBAAJ> >> >> >> Communicating with a parent component to relay something happened in a >> sub component >> <https://groups.google.com/forum/#!searchin/elm-discuss/Sub/elm-discuss/3Ue4pAjL29E/jOPcnbaHCQAJ> >> >> Evan's answer on second post >> <https://groups.google.com/d/msg/elm-discuss/3Ue4pAjL29E/MWgdhfyYCQAJ> says >> that we can return extra data from sub module's update function for >> super module to notice something is happening. It really works for noticing >> super modules but the synchronization code is still needed. >> >> Finally, a thought that the original modeling (there is something that >> should be shared or synchronized) may run away from FRP thinking occurred >> to me. Is this true ? and what's the correct way of thinking ? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Elm Discuss" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > There is NO FATE, we are the creators. > blog: http://damoc.ro/ >
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