lib/rubocop/cop/style/slicing_with_range.rb in rubocop-0.89.1 vs lib/rubocop/cop/style/slicing_with_range.rb in rubocop-0.90.0

@@ -10,11 +10,12 @@
       #   # bad
       #   items[1..-1]
       #
       #   # good
       #   items[1..]
-      class SlicingWithRange < Cop
+      class SlicingWithRange < Base
+        extend AutoCorrector
         extend TargetRubyVersion
 
         minimum_target_ruby_version 2.6
 
         MSG = 'Prefer ary[n..] over ary[n..-1].'
@@ -23,15 +24,11 @@
 
         def on_send(node)
           return unless node.method?(:[]) && node.arguments.count == 1
           return unless range_till_minus_one?(node.arguments.first)
 
-          add_offense(node.arguments.first)
-        end
-
-        def autocorrect(node)
-          lambda do |corrector|
-            corrector.remove(node.end)
+          add_offense(node.first_argument) do |corrector|
+            corrector.remove(node.first_argument.end)
           end
         end
       end
     end
   end