sub foo {
#   return @_ ? @_ : @{[7, 76543]};
   return @_ ? @_ : (7, 76543);
}

say "as a list: ", join " ", foo(1, 2, 3);
say "as int: ", int foo(1, 2, 3);

say "as a list: ", join " ", foo();
say "as int: ", int foo();