Fixed w/ Han-Wen's suggestions.

http://codereview.appspot.com/4290069/diff/5001/lily/beam-collision-engraver.cc
File lily/beam-collision-engraver.cc (right):

http://codereview.appspot.com/4290069/diff/5001/lily/beam-collision-engraver.cc#newcode55
lily/beam-collision-engraver.cc:55: if (covered_grobs_.size ())
On 2011/03/28 11:13:35, hanwenn wrote:
to drop 1 indent level, do

  if (covered.empty())
    return;


Done.

http://codereview.appspot.com/4290069/diff/5001/lily/beam-collision-engraver.cc#newcode81
lily/beam-collision-engraver.cc:81: start = 0;
On 2011/03/28 11:13:35, hanwenn wrote:
what graham said.

Maybe you can add a comment about how you're going about it?

In particular, the logic around start looks odd.

i'd write something like this:

for (i over beams) {
   while (covered[start].rank[left] < beam[i].right)
     start++

   for (j = start; covered[j] < beam.right; j++) {
     ..maybe add covered[j] to beam[i]..
   }
}

Done.

http://codereview.appspot.com/4290069/

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