lib/zold/stress/stats.rb in zold-stress-0.2.0 vs lib/zold/stress/stats.rb in zold-stress-0.3.0

@@ -49,11 +49,10 @@
     def avg(metric)
       sum(metric).to_f / [total(metric), 1].max
     end
 
     def sum(metric)
-      array = @history[metric].map { |a| a[:value] } || []
-      array.inject(&:+) || 0
+      (@history[metric] || []).map { |a| a[:value] }.inject(&:+) || 0
     end
 
     def to_json
       @history.map do |m, h|
         data = h.map { |a| a[:value] }