aboutsummaryrefslogtreecommitdiffstats
path: root/activesupport/lib/active_support/core_ext/array/wrap.rb
diff options
context:
space:
mode:
Diffstat (limited to 'activesupport/lib/active_support/core_ext/array/wrap.rb')
-rw-r--r--activesupport/lib/active_support/core_ext/array/wrap.rb18
1 files changed, 18 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/wrap.rb b/activesupport/lib/active_support/core_ext/array/wrap.rb
new file mode 100644
index 0000000000..9d45c2739b
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/array/wrap.rb
@@ -0,0 +1,18 @@
+class Array
+ # Wraps the object in an Array unless it's an Array. Converts the
+ # object to an Array using #to_ary if it implements that.
+ def self.wrap(object)
+ case object
+ when nil
+ []
+ when self
+ object
+ else
+ if object.respond_to?(:to_ary)
+ object.to_ary
+ else
+ [object]
+ end
+ end
+ end
+end