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-rw-r--r--activesupport/lib/active_support/core_ext/object/misc.rb13
1 files changed, 13 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/misc.rb b/activesupport/lib/active_support/core_ext/object/misc.rb
index cd0a04d32a..50f824c358 100644
--- a/activesupport/lib/active_support/core_ext/object/misc.rb
+++ b/activesupport/lib/active_support/core_ext/object/misc.rb
@@ -71,4 +71,17 @@ class Object
def acts_like?(duck)
respond_to? "acts_like_#{duck}?"
end
+
+ # Tries to send the method only if object responds to it. Return +nil+ otherwise.
+ #
+ # ==== Example :
+ #
+ # # Without try
+ # @person ? @person.name : nil
+ #
+ # With try
+ # @person.try(:name)
+ def try(method)
+ send(method) if respond_to?(method, true)
+ end
end