aboutsummaryrefslogtreecommitdiffstats
path: root/activesupport/lib/active_support/core_ext/object
diff options
context:
space:
mode:
authorDavid Heinemeier Hansson <david@loudthinking.com>2012-07-27 12:20:50 -0500
committerDavid Heinemeier Hansson <david@loudthinking.com>2012-07-27 12:22:38 -0500
commit99ea1a875b06feb4346869f371e2a57a2cc0a0fc (patch)
tree1f05fdcff4afc50dc39537b50c595fc5acde059e /activesupport/lib/active_support/core_ext/object
parent3205c768b7c592e5b96fdf6a6dd0fd3c2c9e5775 (diff)
downloadrails-99ea1a875b06feb4346869f371e2a57a2cc0a0fc.tar.gz
rails-99ea1a875b06feb4346869f371e2a57a2cc0a0fc.tar.bz2
rails-99ea1a875b06feb4346869f371e2a57a2cc0a0fc.zip
will now return nil instead of raise a NoMethodError if the receiving object does not implement the method
Diffstat (limited to 'activesupport/lib/active_support/core_ext/object')
-rw-r--r--activesupport/lib/active_support/core_ext/object/try.rb5
1 files changed, 4 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/try.rb b/activesupport/lib/active_support/core_ext/object/try.rb
index 16a799ec03..a2d5caa7df 100644
--- a/activesupport/lib/active_support/core_ext/object/try.rb
+++ b/activesupport/lib/active_support/core_ext/object/try.rb
@@ -5,6 +5,9 @@ class Object
# *Unlike* that method however, a +NoMethodError+ exception will *not* be raised
# and +nil+ will be returned instead, if the receiving object is a +nil+ object or NilClass.
#
+ # This is also true if the receiving object does not implemented the tried method. It will
+ # return +nil+ in that case as well.
+ #
# If try is called without a method to call, it will yield any given block with the object.
#
# Please also note that +try+ is defined on +Object+, therefore it won't work with
@@ -31,7 +34,7 @@ class Object
if a.empty? && block_given?
yield self
else
- public_send(*a, &b)
+ public_send(*a, &b) if respond_to?(a.first)
end
end
end