lib/roi/rentability.rb in roi_calculator-2.1.0 vs lib/roi/rentability.rb in roi_calculator-2.2.0

@@ -51,13 +51,11 @@
       end
       filtered.map(&:rentability).compact
     end
 
     def volatility(months_ago = nil)
-      if months_ago
-        start = (end_date - months_ago.months + 1.month).beginning_of_month
-      end
+      start = (end_date - months_ago.months + 1.month).beginning_of_month if months_ago
       (volatility_in_window(nil, start).first || [])[1]
     end
 
     def volatility_in_window(days = nil, start_date = nil)
       filtered = rentabilities_array(start_date)
@@ -71,12 +69,10 @@
       end
     end
 
     def to_a
       dates_with_position.map do |date|
-        if @rentabilities[date]
-          [date.strftime('%Y-%m-%d'), @rentabilities[date].quota - 1]
-        end
+        [date.strftime('%Y-%m-%d'), @rentabilities[date].quota - 1] if @rentabilities[date]
       end.compact
     end
 
     protected