perldoc perlsub search for prototype.
2010/8/2 <[email protected]> > I saw someone uses the following syntax to define a subroutine: > > sub SubName($$;$;$) > > which means there are 2 required parameters? and the rest 2 are optional? I > did a search but didn't find it. Anyone could give me a link? > > Thanks in advance! > > Andy > > -- > 您收到此邮件是因为您订阅了 Google 网上论坛的“PerlChina Mongers 讨论组”论坛。 > 要向此网上论坛发帖，请发送电子邮件至 [email protected]。 > 要取消订阅此网上论坛，请发送电子邮件至 > [email protected]<perlchina%[email protected]> > 。 > 若有更多问题，请通过 http://groups.google.com/group/perlchina?hl=zh-CN 访问此网上论坛。 > -- 您收到此邮件是因为您订阅了 Google 网上论坛的“PerlChina Mongers 讨论组”论坛。 要向此网上论坛发帖，请发送电子邮件至 [email protected]。 要取消订阅此网上论坛，请发送电子邮件至 [email protected]。 若有更多问题，请通过 http://groups.google.com/group/perlchina?hl=zh-CN 访问此网上论坛。
