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Diffstat (limited to 'railties/lib/rails/engine/railties.rb')
-rw-r--r-- | railties/lib/rails/engine/railties.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/railties/lib/rails/engine/railties.rb b/railties/lib/rails/engine/railties.rb new file mode 100644 index 0000000000..9969a1475d --- /dev/null +++ b/railties/lib/rails/engine/railties.rb @@ -0,0 +1,21 @@ +module Rails + class Engine < Railtie + class Railties + include Enumerable + attr_reader :_all + + def initialize + @_all ||= ::Rails::Railtie.subclasses.map(&:instance) + + ::Rails::Engine.subclasses.map(&:instance) + end + + def each(*args, &block) + _all.each(*args, &block) + end + + def -(others) + _all - others + end + end + end +end |