2 files changed, 16 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb
index 080e3b5ef7..d80df21e7d 100644
--- a/activesupport/lib/active_support/core_ext/array/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/array/conversions.rb
@@ -74,7 +74,7 @@ class Array
     when 0
       ''
     when 1
-      self[0].to_s.dup
+      "#{self[0]}"
     when 2
       "#{self[0]}#{options[:two_words_connector]}#{self[1]}"
     else
diff --git a/activesupport/lib/active_support/core_ext/array/inquiry.rb b/activesupport/lib/active_support/core_ext/array/inquiry.rb
new file mode 100644
index 0000000000..de623c466c
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/array/inquiry.rb
@@ -0,0 +1,15 @@
+class Array
+  # Wraps the array in an +ArrayInquirer+ object, which gives a friendlier way
+  # to check its string-like contents.
+  #
+  #   pets = [:cat, :dog].inquiry
+  #
+  #   pets.cat?     # => true
+  #   pets.ferret?  # => false
+  #
+  #   pets.any?(:cat, :ferret)  # => true
+  #   pets.any?(:ferret, :alligator)  # => false
+  def inquiry
+    ActiveSupport::ArrayInquirer.new(self)
+  end
+end