nitc :: AAssignOp :: operator
=
# The name of the operator without the `=` (eg '+') fun operator: String is abstract
redef fun operator do return "+"
redef fun operator do return "-"
redef fun operator do return "*"
redef fun operator do return "/"
redef fun operator do return "%"
redef fun operator do return "**"
redef fun operator do return "|"
redef fun operator do return "^"
redef fun operator do return "&"
redef fun operator do return "<<"
redef fun operator do return ">>"