Method borrow_prefix

mypyc/ir/pprint.py:135–138

(self, op: Op)

        return self.format("%r = %s%r.%s", op, self.borrow_prefix(op), op.obj, op.attr)

    def borrow_prefix(self, op: Op) -> str:
        if op.is_borrowed:
            return "borrow "
        return ""

    def visit_set_attr(self, op: SetAttr) -> str:
        if op.is_init: