관리-도구

편집 파일: one%3f-i.yaml

--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Passes each element of the collection to the given block. The method returns <tt>true</tt> if the block returns <tt>true</tt> exactly once. If the block is not given, <tt>one?</tt> will return <tt>true</tt> only if exactly one of the collection members is true. - !ruby/struct:SM::Flow::VERB body: " %w{ant bear cat}.one? {|word| word.length == 4} #=&gt; true\n %w{ant bear cat}.one? {|word| word.length &gt; 4} #=&gt; false\n %w{ant bear cat}.one? {|word| word.length &lt; 4} #=&gt; false\n [ nil, true, 99 ].one? #=&gt; false\n [ nil, true, false ].one? #=&gt; true\n" full_name: Enumerable#one? is_singleton: false name: one? params: | enum.one? [{|obj| block }] => true or false visibility: public