class Rack::Lint::Wrapper::InputWrapper

def each(*args)

# * +each+ must be called without arguments and only yield Strings. 
def each(*args)
  raise LintError, "rack.input#each called with arguments" unless args.size == 0
  @input.each { |line|
    unless line.kind_of? String
      raise LintError, "rack.input#each didn't yield a String"
    end
    yield line
  }
end