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David Gobbi authored
There were rule-of-three warnings because octree path declared an assignment operator but not a copy constructor. The code for the assigment operators did exactly the same thing that a default assigment would do, except there was a special "const" version that cast away the constness of one member. However, when I removed this version, there were no compiler errors, so perhaps it was there just to satisfy an ancient compiler that could not handle "const" properly with templates. Change-Id: I3e5e8858d31f0711d49e0281adbfbd7c7b6e381e
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