lib/bluepill/process_statistics.rb in bluepill-0.0.46 vs lib/bluepill/process_statistics.rb in bluepill-0.0.47

@@ -1,24 +1,23 @@
+# -*- encoding: utf-8 -*-
 module Bluepill
-  class ProcessStatistics    
+  class ProcessStatistics
     STRFTIME = "%m/%d/%Y %H:%I:%S"
+
     # possibly persist this data.
     def initialize
       @events = Util::RotationalArray.new(10)
     end
 
     def record_event(event, reason)
       @events.push([event, reason, Time.now])
     end
 
     def to_s
-      str = []
-      @events.each do |(event, reason, time)|
+      str = @events.reverse.collect do |(event, reason, time)|
         str << "  #{event} at #{time.strftime(STRFTIME)} - #{reason || "unspecified"}"
-      end
-      if str.size > 0
-        str << "event history:"
-      end
-      str.reverse.join("\n")
+      end.join("\n")
+
+      "event history:\n#{str}"
     end
   end
 end