RailsDoc(β)
v6.1
v7.2
v7.1
v7.0
v6.1
v6.0
v5.2
GitHub
Namespace
Module
Ruby on Rails 6.1.7
mail_helper.rb
actionmailer/lib/action_mailer/mail_helper.rb
on GitHub
Namespace
Module
ActionMailer
ActionMailer::MailHelper