Le samedi, 27 juin 2015 à 12:32, Thomas Leonard a écrit : > Hmm, yes, this could be a problem for handlers that expect to see all states.
I wouldn't put it in these terms (handlers, state) but yes it breaks the semantics of signals. This needs more thinking. > S.diff would be a problem too (and sometimes you might want to diff > against the last seen value of the signal rather than the previous > actual value). I don't understand this comment. > In the case of CueKeeper, it would be an advantage though. For > example, there are multiple tabs, each of which shows a different > query. The FRP code (since replaced) was something like this: > > let tab_content = > S.bind current_tab (function > | `Process -> process_tab > | `Work -> work_tab > ... > ) in > > The problem was that it recalculated every tab's query each time, > whereas I only wanted it to calculate the elements for the tab that > was currently selected. Isn't this a matter of not creating the queries in the binding function but rather outside of it ? Daniel _______________________________________________ MirageOS-devel mailing list [email protected] http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel
