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module Rack
class BodyProxy
def initialize(body, &block)
@body, @block, @closed = body, block, false
end
def respond_to?(*args)
return false if args.first.to_s =~ /^to_ary$/
super or @body.respond_to?(*args)
end
def close
return if @closed
@closed = true
begin
@body.close if @body.respond_to? :close
ensure
@block.call
end
end
def closed?
@closed
end
# N.B. This method is a special case to address the bug described by #434.
# We are applying this special case for #each only. Future bugs of this
# class will be handled by requesting users to patch their ruby
# implementation, to save adding too many methods in this class.
def each(*args, &block)
@body.each(*args, &block)
end
def method_missing(*args, &block)
super if args.first.to_s =~ /^to_ary$/
@body.__send__(*args, &block)
end
end
end
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