diff options
Diffstat (limited to 'guides/source/active_support_core_extensions.md')
| -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 66626f41d1..5fb577e256 100644 --- a/guides/source/active_support_core_extensions.md +++ b/guides/source/active_support_core_extensions.md @@ -475,7 +475,7 @@ The methods `silence_warnings` and `enable_warnings` change the value of `$VERBO silence_warnings { Object.const_set "RAILS_DEFAULT_LOGGER", logger } ``` -Silencing exceptions is also possible with `suppress`. This method receives an arbitrary number of exception classes. If an exception is raised during the execution of the block and is `kind_of?` any of the arguments, `suppress` captures it and returns silently. Otherwise the exception is reraised: +Silencing exceptions is also possible with `suppress`. This method receives an arbitrary number of exception classes. If an exception is raised during the execution of the block and is `kind_of?` any of the arguments, `suppress` captures it and returns silently. Otherwise the exception is not captured: ```ruby # If the user is locked, the increment is lost, no big deal. @@ -506,6 +506,8 @@ Extensions to `Module` ### `alias_method_chain` +**This method is deprecated in favour of using Module#prepend.** + Using plain Ruby you can wrap methods with other methods, that's called _alias chaining_. For example, let's say you'd like params to be strings in functional tests, as they are in real requests, but still want the convenience of assigning integers and other kind of values. To accomplish that you could wrap `ActionController::TestCase#process` this way in `test/test_helper.rb`: @@ -550,8 +552,6 @@ ActionController::TestCase.class_eval do end ``` -Rails uses `alias_method_chain` all over the code base. For example validations are added to `ActiveRecord::Base#save` by wrapping the method that way in a separate module specialized in validations. - NOTE: Defined in `active_support/core_ext/module/aliasing.rb`. ### Attributes |