diff options
Diffstat (limited to 'activemodel/lib/active_model/validations.rb')
-rw-r--r-- | activemodel/lib/active_model/validations.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb index c1e344b215..6a2668b8f7 100644 --- a/activemodel/lib/active_model/validations.rb +++ b/activemodel/lib/active_model/validations.rb @@ -87,7 +87,7 @@ module ActiveModel validates_with BlockValidator, _merge_attributes(attr_names), &block end - VALID_OPTIONS_FOR_VALIDATE = [:on, :if, :unless].freeze + VALID_OPTIONS_FOR_VALIDATE = [:on, :if, :unless, :prepend].freeze # Adds a validation method or block to the class. This is useful when # overriding the +validate+ instance method becomes too unwieldy and |