lib/rubocop/cop/style/hash_transform_values.rb in rubocop-1.21.0 vs lib/rubocop/cop/style/hash_transform_values.rb in rubocop-1.22.0

@@ -6,15 +6,13 @@
       # This cop looks for uses of `_.each_with_object({}) {...}`,
       # `_.map {...}.to_h`, and `Hash[_.map {...}]` that are actually just
       # transforming the values of a hash, and tries to use a simpler & faster
       # call to `transform_values` instead.
       #
-      # This can produce false positives if we are transforming an enumerable
-      # of key-value-like pairs that isn't actually a hash, e.g.:
-      # `[[k1, v1], [k2, v2], ...]`
-      #
-      # This cop should only be enabled on Ruby version 2.4 or newer
-      # (`transform_values` was added in Ruby 2.4.)
+      # @safety
+      #   This cop is unsafe, as it can produce false positives if we are
+      #   transforming an enumerable of key-value-like pairs that isn't actually
+      #   a hash, e.g.: `[[k1, v1], [k2, v2], ...]`
       #
       # @example
       #   # bad
       #   {a: 1, b: 2}.each_with_object({}) { |(k, v), h| h[k] = foo(v) }
       #   Hash[{a: 1, b: 2}.collect { |k, v| [k, foo(v)] }]