I'll open this up bit more;
I could have voteService that returns doSomething function.
Now from my checkbox directive I could
1) Inject voteService
directive('checkboxHandler', function(voteService) ... and call doSomething
directly
or
2) By using isolated expression scope I could do
A few things to consider:
If checkboxHandler is meant to be a generic directive where what is done
when something is changed can vary, then you would pass in the method to
call in your HTML and wire it up through the isolate scope of your
directive.
If checkboxHandler is always meant to use
