<span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_with'>with</span><span class='lparen'>(</span><span class='id identifier rubyid_has_key'>has_key</span><span class='lparen'>(</span><span class='symbol'>:foo</span><span class='rparen'>)</span> <span class='op'>|</span> <span class='id identifier rubyid_has_key'>has_key</span><span class='lparen'>(</span><span class='symbol'>:bar</span><span class='rparen'>)</span><span class='rparen'>)</span>
<span class='id identif