revati
About attach_hook/4 after callback
Curently it supports :mount, :handle_params, :handle_event , and :handle_info and they are executed before main live view callback. Its all fine for cases, when one needs to validate/authenticate and so on, but if i need to do something after every handle_params, (to calculate active menu page, or just load extra data after main base bulk is loaded) i need to call it manually from every handle_params live view callback.
It would be nice if :mount, :handle_params, :handle_event , and :handle_info would also have after counterparts, for those cases.
Are there some mayor drawbacks for such approach?
How would you do it while there isnt such after hooks?
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cmo
I find the assigning of nav and page title relevant to the page and/or data, so I have those functions in each liveview. Sometimes it is simply assigning constants and others it is more context aware. There is no context switching involved which I’m a fan of.
I’m not super keen on having something defined at the top of the file that will then change the output of functions down below 
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