RailsDoc(β)
  • v5.2
    v7.0 v6.1 v6.0 v5.2
  • GitHub
  • Namespace
    • Module
Ruby on Rails 5.2.8

concern.rb

  • activesupport/lib/active_support/concern.rb

Namespace

Module

  • ActiveSupport
  • ActiveSupport::Concern