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Select Code to Download


  1. or download this
    my $x = 1;
sub foo { $x }
  2. or download this
    $MAIN_X  ---
            \
             -> +---+
$FOO_X  ------> | 1 |
                +---+
  3. or download this
                    +---+
$MAIN_X  -----> | 9 |
...
                +---+
$FOO_X  ------> | 1 |
                +---+