diff options
| -rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index b2436a2e68..9e2fe2c694 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -1020,7 +1020,7 @@ class A class_attribute :x, :instance_reader => false end -A.x = 1 # NoMethodError +A.new.x = 1 # NoMethodError </ruby> For convenience +class_attribute+ also defines an instance predicate which is the double negation of what the instance reader returns. In the examples above it would be called +x?+. |