Select Code to Download

Select or download this
```
@{$difference[0]}
```

Error -- >Can't use string ("ARRAY(0x2c992e0)") as an ARRAY ref while 
+"strict refs" in use at

Select or download this
```
@{$difference}
```

Select or download this

Global symbol "$difference" requires explicit package name at 
Global symbol "$intersect" requires explicit package name at 
Global symbol "$union" requires explicit package name at .

Select or download this
```
@difference
```

Select or download this

DEBUG: - difference links values ARRAY(0x32690e0) ARRAY(0x3269090) ARR
+AY(0x322d040) ARRAY(0x3276990) ARRAY(0x322d060) ARRAY(0x3269f80) ARRA
+Y(0x3269040)
DEBUG: - intersect links values
DEBUG: - union links values ARRAY(0x32690e0) ARRAY(0x3269090) ARRAY(0x
+322d040) ARRAY(0x3276990) ARRAY(0x322d060) ARRAY(0x3269f80) ARRAY(0x3
+269040)