在 iOS 平台上，需要处理 NSData 的转换。这里使用 pinned 内存操作来安全拷贝数据，确保跨平台兼容性。
What if you create a truly unique routing profile that's wildly different from the common ones for which shortcuts were pre-calculated? The system is smart. If it detects that too many shortcuts (~50, for example) need on-the-fly recalculation and deviate significantly, it might determine that falling back to the original, comprehensive A* algorithm for the entire route would actually be faster than doing many small, heavily modified A* calculations.
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Of these households, 85,730 include children.
target.toString = function () {