diff options
Diffstat (limited to 'guides/source')
| -rw-r--r-- | guides/source/active_support_core_extensions.md | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md index b43d13b804..1438245f9c 100644 --- a/guides/source/active_support_core_extensions.md +++ b/guides/source/active_support_core_extensions.md @@ -634,7 +634,7 @@ NOTE: Defined in `active_support/core_ext/module/introspection.rb`. #### `parent_name` -The `parent_name` method on a nested named module returns the fully-qualified name of the module that contains its corresponding constant: +The `parent_name` method on a nested named module returns the fully qualified name of the module that contains its corresponding constant: ```ruby module X @@ -3708,9 +3708,9 @@ Extensions to `NameError` Active Support adds `missing_name?` to `NameError`, which tests whether the exception was raised because of the name passed as argument. -The name may be given as a symbol or string. A symbol is tested against the bare constant name, a string is against the fully-qualified constant name. +The name may be given as a symbol or string. A symbol is tested against the bare constant name, a string is against the fully qualified constant name. -TIP: A symbol can represent a fully-qualified constant name as in `:"ActiveRecord::Base"`, so the behavior for symbols is defined for convenience, not because it has to be that way technically. +TIP: A symbol can represent a fully qualified constant name as in `:"ActiveRecord::Base"`, so the behavior for symbols is defined for convenience, not because it has to be that way technically. For example, when an action of `ArticlesController` is called Rails tries optimistically to use `ArticlesHelper`. It is OK that the helper module does not exist, so if an exception for that constant name is raised it should be silenced. But it could be the case that `articles_helper.rb` raises a `NameError` due to an actual unknown constant. That should be reraised. The method `missing_name?` provides a way to distinguish both cases: |