Like codehead 说，你必须迭代数组索引而不是它的元素.与 C 风格的 for 循环相比，我更喜欢这个变体:

Like codehead said, you'd have to iterate over the array indices instead of its elements. I prefer this variant over the C-style for loop:

for my $i (0 .. $#x) {
    print "$i: $x[$i]
";
}