$obj = MyClass->new( %params);
$obj = MyClass::new( 'MyClass', %params);

##</code><code>##

   qtyTotal=>sub{return &qtyTotal('phrase 1', @_);}

##</code><code>##

$\ = $/; # see perlvar
sub b { print join" ",@_ }
sub e { &b }          # @_ passed implicitly
sub f { &b( "got") }  # parens necessary!
sub g { b "got", @_ } # parens may be omitted, if sub b
                      # has been seen earlier
@l = (1...3);
e @l;
f @l;
g @l;
__END__
1 2 3
got
got 1 2 3

##</code><code>##

sub b { print join" ", @_ } 
"b"->(1..3)