OK let me try this: (render [_] (dom/h1 nil (:text app)))
App is a cursor but here we are happily getting the :text member of its value by pretending app is the value. (Something something (f app)) App is a cursor but here I am not magically given its value. Discuss. 2014/9/3 上午7:41 於 "David Nolen" <[email protected]> 寫道： > Or I simply don't understand the problem or the question :) > > On Wed, Sep 3, 2014 at 10:30 AM, Alan Shaw <[email protected]> wrote: > > Wow you simply have not taken the time to read my question. > > > > 2014/9/3 上午7:28 於 "David Nolen" <[email protected]> 寫道： > > > >> If for some reason you need to snapshot the value of a cursor during > >> render use om.core/value to do that. > >> > >> David > >> > >> On Wed, Sep 3, 2014 at 10:25 AM, Alan Shaw <[email protected]> wrote: > >> > Setting local state from app state was not my goal. My goal was to > >> > reflect > >> > the changed app state in the display - not an unreasonable desire. If > >> > you > >> > read my question again you'll see that setting local state was only > one > >> > of > >> > three ways I tried to accomplish that. > >> > > >> > Again: I was unable to access the cursor's value during the render > phase > >> > without explicitly saying (.value cursor). Examples in the tutorials > >> > show > >> > the cursor's value available by implicit dereferencing: > >> > > >> > (render [_] (dom/h1 nil (:text app))) > >> > > >> > It is my impression that rendering the value requires access to the > >> > value. > >> > But when I refer to this app state in render, I get the cursor rather > >> > than > >> > its value. > >> > > >> > I appreciate that breaking Om's rules will lead to trouble. I am > trying > >> > to > >> > play by the rules here but it's not clear what they are. > >> > > >> > -- > >> > Note that posts from new members are moderated - please be patient > with > >> > your > >> > first post. > >> > --- > >> > You received this message because you are subscribed to the Google > >> > Groups > >> > "ClojureScript" group. > >> > To unsubscribe from this group and stop receiving emails from it, send > >> > an > >> > email to [email protected]. > >> > To post to this group, send email to [email protected]. > >> > Visit this group at http://groups.google.com/group/clojurescript. > >> > >> -- > >> Note that posts from new members are moderated - please be patient with > >> your first post. > >> --- > >> You received this message because you are subscribed to the Google > Groups > >> "ClojureScript" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an > >> email to [email protected]. > >> To post to this group, send email to [email protected]. > >> Visit this group at http://groups.google.com/group/clojurescript. > > > > -- > > Note that posts from new members are moderated - please be patient with > your > > first post. > > --- > > You received this message because you are subscribed to the Google Groups > > "ClojureScript" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [email protected]. > > To post to this group, send email to [email protected]. > > Visit this group at http://groups.google.com/group/clojurescript. > > -- > Note that posts from new members are moderated - please be patient with > your first post. > --- > You received this message because you are subscribed to the Google Groups > "ClojureScript" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/clojurescript. > -- Note that posts from new members are moderated - please be patient with your first post. --- You received this message because you are subscribed to the Google Groups "ClojureScript" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/clojurescript.
