# 5.36 - @_ in signature subs use v5.36; sub inc { $_[0]++ } my $x = 23; inc($x); say $x; ### 24 sub new_inc($var) { $var++ } new_inc($x); say $x; ### 24 sub new_inc2($var) { $_[0]++ } new_inc2($x); say $x; ### Use of @_ in array element with signatured subroutine is experimental at -e line 9. ### 25