RailsDoc(β)
v7.2
v7.2
v7.1
v7.0
v6.1
v6.0
v5.2
GitHub
Namespace
Module
Ruby on Rails 7.2.2
has_one.rb
activerecord/lib/active_record/associations/builder/has_one.rb
on GitHub
Namespace
Module
ActiveRecord
ActiveRecord::Associations