mechanize：Mechanize::Form::Field#

everyday Ruby

以下のような HTML で

<html>
<head>
<title>form test</title>
</head>
<body>

<form method="get" action="cgi/foo00.cgi" name="form1">
  <input type="text" name="text1" />
  <input type="hidden" name="hidden1" />
  <textarea name="textarea1" rows="4" cols="40">foo</textarea>
</form>

</body>
</html>
>> require 'mechanize'
=> true
>> agent = Mechanize.new
=> #<Mechanize:0xb748b540 ...
>> page = agent.get('http://127.0.0.1:8080/test10_form.html')
=> #<Mechanize::Page
  ...
>> f = page.form('form1')
=> #<Mechanize::Form
  ...
>> f.field_with(:name => /text/) <=> f.field_with(:name => /textarea/)
=> -1
>> f.field_with(:name => /text/).class
=> Mechanize::Form::Text
>> f.field_with(:name => /textarea/).class
=> Mechanize::Form::Field
>> f.field_with(:name => /text/) <=> f.field_with(:name => /text/)
=> 0
>> f.field_with(:name => /text/).node.class
=> Nokogiri::XML::Element

そもそも何の意味があるの？