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-rw-r--r--activesupport/lib/active_support/json/encoders/enumerable.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/json/encoders/enumerable.rb b/activesupport/lib/active_support/json/encoders/enumerable.rb
index d180049663..720fd88f90 100644
--- a/activesupport/lib/active_support/json/encoders/enumerable.rb
+++ b/activesupport/lib/active_support/json/encoders/enumerable.rb
@@ -1,4 +1,11 @@
module Enumerable
+ # Returns a JSON string representing the enumerable. Any +options+
+ # given will be passed on to its elements. For example:
+ #
+ # users = User.find(:all)
+ # users.to_json(:only => :name)
+ #
+ # will pass the <tt>:only => :name</tt> option to each user.
def to_json(options = {}) #:nodoc:
"[#{map { |value| ActiveSupport::JSON.encode(value, options) } * ', '}]"
end