hpricot：Hpricot::Container::Trav#containers

>> require "hpricot"
=> true
>> doc = Hpricot('<p>foo1</p><p>foo2</p>')
=> #<Hpricot::Doc {elem <p> "foo1" </p>} {elem <p> "foo2" </p>}>
>> doc.containers
=> [{elem <p> "foo1" </p>}, {elem <p> "foo2" </p>}]
>> doc.at('p').containers
=> []
>> doc = Hpricot('<p><b>foo1</b>hoge</p><p>foo2</p>')
=> #<Hpricot::Doc {elem <p> {elem <b> "foo1" </b>} "hoge" </p>} {elem <p> "foo2" </p>}>
>> doc.containers
=> [{elem <p> {elem <b> "foo1" </b>} "hoge" </p>}, {elem <p> "foo2" </p>}]
>> doc.at('p').containers
=> [{elem <b> "foo1" </b>}]