http://qs321.pair.com?node_id=923333


in reply to Re: Math::Round::Var::round() takes no action when a number is not supplied
in thread Math::Round::Var::round() takes no action when a number is not supplied

It seems to raise a perfectly valid exception for me
Well, a Perl-generated warning is not the same as a program-generated exception, and here we have only a Perl-generated warning.