public void Dispose()
{
_tree->Dispose();
UnsafeUtility.Free(_tree, _tree->Allocator);
_tree = null;
}
public DynamicTree(Allocator allocator)
{
_tree = (UnsafeDynamicTree <T> *)Mem.Malloc <UnsafeDynamicTree <T> >(allocator);
*_tree = new UnsafeDynamicTree <T>(allocator);
}