def to_absolute(self, name2len):
        """Translate instruction into a list of absolute instructions.

        Those absolute instructions are then to be added together.

        Args:
            name2len (`dict`):
                Associating split names to number of examples.

        Returns:
            list of _AbsoluteInstruction instances (corresponds to the + in spec).
        """
        return [_rel_to_abs_instr(rel_instr, name2len) for rel_instr in self._relative_instructions]