求助：Reference found where even-sized list expected 的解决

jack-ni

1^# jack-ni 发表于 2008-06-04 15:01

如题，定义%Hash={};
结果：Reference found where even-sized list expected 。。。请问怎么回师？

cobrawgl

2^# cobrawgl 发表于 2008-06-04 15:07

QUOTE:

原帖由 jack-ni 于 2008-6-4 15:01 发表
如题，定义%Hash={};
结果：Reference found where even-sized list expected 。。。请问怎么回师？

{} 是返回一个 hash 引用

你要定义空 hash 应该

%hash = ();

jack-ni

3^# jack-ni 发表于 2008-06-04 15:09

谢谢！

churchmice

4^# churchmice 发表于 2008-06-04 15:13

你好好去看看引用是怎么一回事

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CODE:

my %hash = ();
my @array = ();
my $hash_ref = {};
my $array_ref = [];