관리-도구

편집 파일: fetch-i.yaml

--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Tries to return the element at position <em>index</em>. If the index lies outside the array, the first form throws an <tt>IndexError</tt> exception, the second form returns <em>default</em>, and the third form returns the value of invoking the block, passing in the index. Negative values of <em>index</em> count from the end of the array. - !ruby/struct:SM::Flow::VERB body: " a = [ 11, 22, 33, 44 ]\n a.fetch(1) #=&gt; 22\n a.fetch(-1) #=&gt; 44\n a.fetch(4, 'cat') #=&gt; &quot;cat&quot;\n a.fetch(4) { |i| i*i } #=&gt; 16\n" full_name: Array#fetch is_singleton: false name: fetch params: | array.fetch(index) -> obj array.fetch(index, default ) -> obj array.fetch(index) {|index| block } -> obj visibility: public