byid_map'>map</span> <span class='lbrace'>{</span> <span class='op'>|</span><span class='id identifier rubyid_m'>m</span><span class='op'>|</span> <span class='id identifier rubyid_send'>send</span><span class='lparen'>(</span><span class='id identifier rubyid_m'>m</span><span class='rparen'>)</span> <span class='rbrace'>}</span>
            <span class='period'>.</span><span class='id identifier rubyid_flatten'>flatten</span>
            <span class='period'>.</span><span class='id identifier rubyid_compac