use

use

use Module VERSION LIST

use Module VERSION

use Module LIST

use Module

use VERSION

Imports some semantics into the current package from the named module, generally by aliasing certain subroutine or variable names into your package. It is exactly equivalent to

BEGIN { require Module; Module->import( LIST ); }

except that Module must be a bareword. The importation can be made conditional by using the if module.

In the peculiar use VERSION form, VERSION may be either a positive decimal fraction such as 5.006, which will be compared to $]登录查看完整内容