# File lib/nanoc/cli/commands/compile.rb, line 246
      def start
        Nanoc::NotificationCenter.on(:compilation_started) do |rep|
          puts "*** Started compilation of #{rep.inspect}"
        end
        Nanoc::NotificationCenter.on(:compilation_ended) do |rep|
          puts "*** Ended compilation of #{rep.inspect}"
          puts
        end
        Nanoc::NotificationCenter.on(:compilation_failed) do |rep, e|
          puts "*** Suspended compilation of #{rep.inspect}: #{e.message}"
        end
        Nanoc::NotificationCenter.on(:cached_content_used) do |rep|
          puts "*** Used cached compiled content for #{rep.inspect} instead of recompiling"
        end
        Nanoc::NotificationCenter.on(:filtering_started) do |rep, filter_name|
          puts "*** Started filtering #{rep.inspect} with #{filter_name}"
        end
        Nanoc::NotificationCenter.on(:filtering_ended) do |rep, filter_name|
          puts "*** Ended filtering #{rep.inspect} with #{filter_name}"
        end
        Nanoc::NotificationCenter.on(:visit_started) do |item|
          puts "*** Started visiting #{item.inspect}"
        end
        Nanoc::NotificationCenter.on(:visit_ended) do |item|
          puts "*** Ended visiting #{item.inspect}"
        end
        Nanoc::NotificationCenter.on(:dependency_created) do |src, dst|
          puts "*** Dependency created from #{src.inspect} onto #{dst.inspect}"
        end
      end