diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/object/instance_variables.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/object/instance_variables.rb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/instance_variables.rb b/activesupport/lib/active_support/core_ext/object/instance_variables.rb new file mode 100644 index 0000000000..72eaed70b6 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/object/instance_variables.rb @@ -0,0 +1,8 @@ +class Object + # Available in 1.8.6 and later. + unless respond_to?(:instance_variable_defined?) + def instance_variable_defined?(variable) + instance_variables.include?(variable.to_s) + end + end +end |