# ri > ActionDispatch::MiddlewareStack

## [ActionDispatch::MiddlewareStack](https://www.chedong.com/phpMan.php/perldoc/ActionDispatch%3A%3AMiddlewareStack/markdown) < Object

------------------------------------------------------------------------
## Includes:
Enumerable (from /home/chedong/.local/share/rdoc)

(from /home/chedong/.local/share/rdoc)
------------------------------------------------------------------------
## Class methods:

  new

## Instance methods:

  []
  build
  delete
  each
  initialize_copy
  insert
  insert_after
  insert_before
  last
  middlewares
  move
  move_after
  move_before
  size
  swap
  unshift
  use

## Attributes:

  attr_accessor middlewares