Did you get this fixed Rudi? 
If your project file requires om 0.2.3,  then it was something with the 
lein new command (which is now fixed). 
I recommend manually changing the project file to require om 0.3.0 and then 
don't forget to "lein cljscript clean" before recompiling  (which I did). 
 

On Saturday, January 25, 2014 1:41:54 PM UTC-8, Rudi Engelbrecht wrote:
>
> Hi David 
>
> Thank you for a great tutorial! 
>
> I really enjoyed working through your Tutorial on LightTable and Om.  
>
> A note: In my environment the contact is being deleted when the 
> contact-view has the following code 
>
> (defn contact-view [contact owner]
>   (reify
>     om/IRenderState
>     (render-state [this {:keys [delete]}]
>       (dom/li nil
>         (dom/span nil (display-name contact))
>         (dom/button #js {:onClick (fn [e] (put! delete contact))} 
> "Delete")))))
>
>
> and not when it is the following: 
>
> (defn contact-view [contact owner]
>   (reify
>     om/IRenderState
>     (render-state [this {:keys [delete]}]
>       (dom/li nil
>         (dom/span nil (display-name contact))
>         (dom/button #js {:onClick (fn [e] (put! delete @contact))} 
> "Delete")))))
>
> So the change to 
>
> (put! delete @contact)
>
> has the effect of the delete button not working anymore. 
>
> I will investigate further. 
>
> Kind regards 
>
> Rudi 
>
> On Jan 25, 2014, at 11:16 AM, David Nolen <dnolen...@gmail.com<javascript:>> 
> wrote: 
>
> A few minor simplifications to the Om model in this release. A breaking 
> change if you were using om.core/bind, om.core/pure-bind or om.core/read - 
> these complications have been removed.
>
> There's also now a tutorial optimized for Light Table for people want to 
> understand the Om approach to React without losing time cobbling together a 
> working environment: http://github.com/swannodette/om/wiki/Tutorial 
>
> Have fun! 
>
> David 
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