RailsDoc(β)
v5.2
v8.0
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
activemodel/lib/active_model/validations.rb
on GitHub
Required Files
active_support/core_ext/array/extract_options
active_support/core_ext/hash/keys
active_support/core_ext/hash/except
Namespace
Module
ActiveModel
ActiveModel::Validations
ActiveModel::Validations::ClassMethods
Class
ActiveModel::ValidationError