You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: context.rb
    path of file: ./repos/ruby-packer/ruby/lib/irb
    
    the code of the file until where you have to start completion: # frozen_string_literal: false
#
#   irb/context.rb - irb context
#   	$Release Version: 0.9.6$
#   	$Revision$
#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
# --
#
#
    
    def inspect_mode=(opt)

      if i = Inspector::INSPECTORS[opt]
        @inspect_mode = opt
        @inspect_method = i
        i.init
      else
        case opt
        when nil
          if Inspector.keys_with_inspector(Inspector::INSPECTORS[true]).include?(@inspect_mode)
            self.inspect_mode = false
          elsif Inspector.keys_with_inspector(Inspector::INSPECTORS[false]).include?(@inspect_mode)
            self.inspect_mode = true
          else
            puts "Can't switch inspect mode."
            return
          end