# bad example 
...

way (@args);
#and let's say that in the course of the programm
#@args is made to equal ($a,$b,$c) 

...

sub way {
my ($aa,@bb)=@_; 
#because i don't know how many scalar are following $a/$aa
print "$aa is the first argument\n";
$aa->MethodCall(@_);
#but here i'd like to have the elements of @bb , but sorted 
#individually to have what would be, in this example, the equivalent
#of :
#$aa->MethodCall($main::a,$main::c);