# File lib/pry/commands/show_info.rb, line 87
    def header(code_object)
      file_name, line_num = file_and_line_for(code_object)
      h = "\n#{Pry::Helpers::Text.bold('From:')} #{file_name} "
      h << code_object_header(code_object, line_num)
      h << "\n#{Pry::Helpers::Text.bold('Number of lines:')} " <<
        "#{content_for(code_object).lines.count}\n\n"
      h << Helpers::Text.bold('** Warning:') << " Cannot find code for #{@original_code_object.nonblank_name}. Showing superclass #{code_object.nonblank_name} instead. **\n\n" if @used_super
      h
    end