load_assembly<\/span> "System.Core"<\/span><\/div>#=> true<\/span><\/div>System<\/span>::<\/span>Linq<\/span>::<\/span>Enumerable<\/span>.<\/span>First<\/span>(<\/span>[<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>]<\/span>)<\/span><\/div>#=> 1<\/span><\/div>System<\/span>::<\/span>Linq<\/span>::<\/span>Enumerable<\/span>.<\/span>ElementAt<\/span>(<\/span>[<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>,<\/span>4<\/span>,<\/span>5<\/span>]<\/span>,<\/span> 2<\/span>)<\/span><\/div>#=> 3<\/span><\/div><\/pre><\/div>\n \n <\/div>\n\n