관리-도구

편집 파일: count-i.yaml

--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Returns the number of elements. If an argument is given, counts the number of elements which equals to <em>obj</em>. If a block is given, counts the number of elements yielding a true value. - !ruby/struct:SM::Flow::VERB body: " ary = [1, 2, 4, 2]\n ary.count # =&gt; 4\n ary.count(2) # =&gt; 2\n ary.count{|x|x%2==0} # =&gt; 3\n" full_name: Array#count is_singleton: false name: count params: | array.count -> int array.count(obj) -> int array.count { |item| block } -> int visibility: public