const output = Stream.pull(source, createLineParser());
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。搜狗输入法2026对此有专业解读
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「我未曾深入研究，也不認為這是我的職責範圍。」
This is the same idea behind binary search. In a sorted array, you compare against the middle element and eliminate half the remaining candidates. In a quadtree, you choose one of four quadrants and ignore the other three regions. Each level narrows the search space by a factor of four instead of two.