From 04998cd0c92a13332844d04145a4ede3184c7bd0 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Fri, 27 Jul 2012 12:33:02 -0500
Subject: Add Object#try! with the old NoMethodError raising behavior

---
 activesupport/lib/active_support/core_ext/object/try.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'activesupport/lib')

diff --git a/activesupport/lib/active_support/core_ext/object/try.rb b/activesupport/lib/active_support/core_ext/object/try.rb
index a2d5caa7df..9974b61078 100644
--- a/activesupport/lib/active_support/core_ext/object/try.rb
+++ b/activesupport/lib/active_support/core_ext/object/try.rb
@@ -37,6 +37,16 @@ class Object
       public_send(*a, &b) if respond_to?(a.first)
     end
   end
+  
+  # Same as #try, but will raise a NoMethodError exception if the receiving is not nil and
+  # does not implemented the tried method.
+  def try!(*a, &b)
+    if a.empty? && block_given?
+      yield self
+    else
+      public_send(*a, &b)
+    end
+  end
 end
 
 class NilClass
@@ -53,4 +63,8 @@ class NilClass
   def try(*args)
     nil
   end
+  
+  def try!(*args)
+    nil
+  end
 end
-- 
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