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以下是我的实际代码的简化示例:武:添加属性到另一个(非流动)封装
#!/usr/bin/perl
package X;
use Moo;
sub add_attr_for_another_package {
my ($package) = @_;
eval "package $package";
has 'q' => (is=>'rw', default=>123);
}
package Y;
use Moo;
X::add_attr_for_another_package('Y');
my $obj = Y->new;
print $obj->q, "\n";
我尝试添加属性来包装从包X
定义的函数Y
。这是行不通的:
$ ./test.pl
Can't locate object method "q" via package "Y" at ./test.pl line 18.
请帮助我如何从另一个包中定义的方法添加属性到包。
我应该改用穆斯吗?