[PerlChina] \&这个是什么意思?

Jeff Pang pangj at earthlink.net
Mon Apr 23 01:38:05 PDT 2007


A reference to subroutine &val2;

在 07-4-23,junli<junli.linux at gmail.com> 写道:
> 比如:
> $val1=\&val2;
> 表示啥?
>
>
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