RailsDoc(β)
v5.2
v7.2
v7.1
v7.0
v6.1
v6.0
v5.2
GitHub
Required Files
Namespace
Module
Class
Ruby on Rails 5.2.8
validations.rb
activerecord/lib/active_record/validations.rb
on GitHub
Required Files
active_record/validations/associated
active_record/validations/uniqueness
active_record/validations/presence
active_record/validations/absence
active_record/validations/length
Namespace
Module
ActiveRecord
ActiveRecord::Validations
Class
ActiveRecord::RecordInvalid