Ruby, Rubocop, Software Metrics, Ruby on Rails, Software Development.
constant name `foo::FOO` # (sym :foo)) -- assigned value `:foo` FOO = :foo # assignments = 1 # (casgn -- unscoped constant assignment # nil :FOO -- constant name `FOO` # (sym :foo)) -- assigned value `:foo` foo += :foo # assignments = 2 # (op-asgn -- operator assignment # (lvasgn :foo) :+ --