June 2018 Update

Task/Pascals-triangle/Ruby/pascals-triangle-1.rb

@@ -3,7 +3,7 @@ def pascal(n)
   yield ar = [1]
   (n-1).times do
     ar.unshift(0).push(0) # tack a zero on both ends
-    yield ar = ar.each_cons(2).map{|a, b| a + b }
+    yield ar = ar.each_cons(2).map(&:sum)
   end
 end