in reply to Re: effects of ampersand and non ampersand when referencing a sub name
in thread effects of ampersand and non ampersand when referencing a sub name

The (&) prototype is useful if you're writing subs that expect to be passed coderefs/callbacks. And (_) can be useful too.

perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

In Section Seekers of Perl Wisdom