There is the simple "flatten as you go" approach:


sub genIterator
  { 
  my @stack = @_;
  return sub 
    {
    splice @stack, 0, 1, @{$stack[0]} while 'ARRAY' eq ref $stack[0];
    shift @stack;
    }
  }

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In reply to Re: An iterator for (not "iterating") a recursive data structure. by Anonymous Monk
in thread An iterator for (not "iterating") a recursive data structure. by BrowserUk

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