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U:RDoc::AnyMethod[iI"use:EFI"Rack::Builder#use;FF:publico:RDoc::Markup::Document:@parts[	o:RDoc::Markup::Paragraph;	[I",Specifies middleware to use in a stack.;Fo:RDoc::Markup::BlankLineo:RDoc::Markup::Verbatim;	[I"class Middleware
;FI"  def initialize(app)
;FI"    @app = app
;FI"  end
;FI"
;FI"  def call(env)
;FI"8    env["rack.some_header"] = "setting an example"
;FI"    @app.call(env)
;FI"  end
;FI"	end
;FI"
;FI"use Middleware
;FI"Lrun lambda { |env| [200, { "Content-Type" => "text/plain" }, ["OK"]] }
;Fo;
;	[I"^All requests through to this application will first be processed by the middleware class.;FI"[The +call+ method in this example sets an additional environment key which then can be;FI"/referenced in the application if required.;F:
@file000[I" (middleware, *args, &block);FI"lib/rack/builder.rb;F