作者：Ryan Connelly

示例

> say palindromic(<a b c d e>);
False
> say palindromic(<a b c b a>);
True

源代码： P06-topo.pl

use v6;

sub palindromic(@list)
{
    @list ~~ @list.reverse.list;
}

say palindromic(<a b c d e>);
say palindromic(<a b c b a>);