lib/scissor/sequence.rb in youpy-scissor-0.0.19 vs lib/scissor/sequence.rb in youpy-scissor-0.0.20

@@ -4,30 +4,27 @@
       @pattern = pattern
       @duration_per_step = duration_per_step
     end
 
     def apply(instruments)
-      result = Scissor()
-
-      @pattern.split(//).each do |c|
+      @pattern.split(//).inject(Scissor()) do |result, c|
         if instruments.include?(c.to_sym)
           instrument = instruments[c.to_sym]
 
           if instrument.is_a?(Proc)
             instrument = instrument.call(c)
           end
 
           if @duration_per_step > instrument.duration
-            result += instrument
-            result += Scissor.silence(@duration_per_step - instrument.duration)
+            result += instrument + Scissor.silence(@duration_per_step - instrument.duration)
           else
             result += instrument.slice(0, @duration_per_step)
           end
         else
           result += Scissor.silence(@duration_per_step)
         end
-      end
 
-      result
+        result
+      end
     end
   end
 end