我读过一些法典,发现(接受档案名称和指挥线参数的编码)
@ :: ARGS = ($0,@ARGV);
但我无法理解这一表述的第一部分。 它究竟做了什么?
这是否与@ARGS = (0,@ARGV);
?
我读过一些法典,发现(接受档案名称和指挥线参数的编码)
@ :: ARGS = ($0,@ARGV);
但我无法理解这一表述的第一部分。 它究竟做了什么?
这是否与@ARGS = (0,@ARGV);
?
在你的主要计划中,你有可变的
$foo
but could also reach it via $main::foo
以及 also via
$::foo
If you include a .pm package e.g. FOO
then you can "peek" imto that namespace via $FOO::something
.
另一种方式是:
模块可进入主名空间(原封)。
@::ARGS =
以及
@ARGS =
如果你在你的主要方案中使用,也是一样的。
但从一个子模块来看,情况并非如此: 后者将用当地变量书写,而后者将写成主字。
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