Concerning Chapter 11
:observer.start/0 error
Anyone having trouble getting : observer.start() to work due to an error
** (UndefinedFunctionError) function :observer.start/0 is undefined (module :observer not available) :observer.start
Please refer to this post by @benstepp.
:poolboy.child_spec/3 warning
I got a contract break warning from my :poolboy.child_spec/3 call. Apparently that call should have failed, I tried to resolve the warning, but ended up proceeding with no issues in the shell.
