09/08/19 19:49:53
>>124
URLﾘﾝｸ(search.cpan.org)
> To unambiguously refer to the built-in form, precede the built-in name with
> the special package qualifier CORE::. For example, saying CORE::open() always
> refers to the built-in open(), even if the current package has imported
> some other subroutine called &open() from elsewhere.