小编dav*_*ave的帖子

如何在特定哈希键中创建对值的引用.我尝试了以下但是$$ foo是空的.任何帮助深表感谢.

$hash->{1} = "one";
$hash->{2} = "two";
$hash->{3} = "three";

$foo = \${$hash->{1}};
$hash->{1} = "ONE";

#I want "MONEY: ONE";
print "MONEY: $$foo\n";