diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/module')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/module/introspection.rb | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/introspection.rb b/activesupport/lib/active_support/core_ext/module/introspection.rb index 0665aa88bc..ca20a6d4c5 100644 --- a/activesupport/lib/active_support/core_ext/module/introspection.rb +++ b/activesupport/lib/active_support/core_ext/module/introspection.rb @@ -5,10 +5,12 @@ class Module # # M::N.parent_name # => "M" def parent_name - if defined? @parent_name + if defined?(@parent_name) @parent_name else - @parent_name = name =~ /::[^:]+\Z/ ? $`.freeze : nil + parent_name = name =~ /::[^:]+\Z/ ? $`.freeze : nil + @parent_name = parent_name unless frozen? + parent_name end end |