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Diffstat (limited to 'guides/source/active_record_callbacks.md')
-rw-r--r-- | guides/source/active_record_callbacks.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/guides/source/active_record_callbacks.md b/guides/source/active_record_callbacks.md index 5b06ff78bb..5946acb412 100644 --- a/guides/source/active_record_callbacks.md +++ b/guides/source/active_record_callbacks.md @@ -319,6 +319,14 @@ class Order < ApplicationRecord end ``` +As the proc is evaluated in the context of the object, it is also possible to write this as: + +```ruby +class Order < ApplicationRecord + before_save :normalize_card_number, if: Proc.new { paid_with_card? } +end +``` + ### Multiple Conditions for Callbacks When writing conditional callbacks, it is possible to mix both `:if` and `:unless` in the same callback declaration: |