search for: do_subassign3_dflt

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Did you mean: do_subassign2_dflt
2013 Jan 09
2
Bug in list subset assignment due to NAMED optimization
...ng the updated `a` rather than the RHS of the assignment. The second sequence in both cases is correct; the assignment to `b` increments the NAMED value causing the necessary copy to be made so the RHS is returned from the assignment. Would it be sufficient to add a check to do_subassign2_dflt and do_subassign3_dflt that creates a duplicate of the LHS if the LHS & RHS are the same object? Justin [[alternative HTML version deleted]]