Best guess - the code got corrupted while being copied.
Or maybe while being "simplified".
Since you didn't post the actual code you are running, it's hard to tell :(
In reply to Re^4: Converting hash structure into a special tree
by tybalt89
in thread Converting hash structure into a special tree
by ovedpo15
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |