관리-도구

편집 파일: empty%3f-i.yaml

--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Returns <tt>true</tt> if <em>str</em> has a length of zero. - !ruby/struct:SM::Flow::VERB body: " &quot;hello&quot;.empty? #=&gt; false\n &quot;&quot;.empty? #=&gt; true\n" full_name: String#empty? is_singleton: false name: empty? params: | str.empty? => true or false visibility: public