ActionDispatch::MiddlewareStack < Object

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 70
    def initialize(*args)
      @middlewares = []
      yield(self) if block_given?
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 87
    def [](i)
      middlewares[i]
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 130
    def build(app = nil, &block)
      instrumenting = ActiveSupport::Notifications.notifier.listening?(InstrumentationProxy::EVENT_NAME)
      middlewares.freeze.reverse.inject(app || block) do |a, e|
        if instrumenting
          e.build_instrumented(a)
        else
          e.build(a)
        end
      end
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 121
    def delete(target)
      middlewares.delete_if { |m| m.klass == target }
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 75
    def each
      @middlewares.each { |x| yield x }
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 96
    def initialize_copy(other)
      self.middlewares = other.middlewares.dup
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 100
    def insert(index, klass, *args, &block)
      index = assert_index(index, :before)
      middlewares.insert(index, build_middleware(klass, args, block))
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 108
    def insert_after(index, *args, &block)
      index = assert_index(index, :after)
      insert(index + 1, *args, &block)
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 83
    def last
      middlewares.last
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 79
    def size
      middlewares.size
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 114
    def swap(target, *args, &block)
      index = assert_index(target, :before)
      insert(index, *args, &block)
      middlewares.delete_at(index + 1)
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 91
    def unshift(klass, *args, &block)
      middlewares.unshift(build_middleware(klass, args, block))
    end

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 125
    def use(klass, *args, &block)
      middlewares.push(build_middleware(klass, args, block))
    end