从左至右解读图表：基于switch的Rust解释器比尾调用解释器慢1.5倍，而尾调用解释器几乎达到手写汇编的速度（Matt在AArch64测试中甚至发现尾调用解释器超越了手写汇编）。
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"I see the kids riding on the road, I see them riding without helmets. They're clearly not subject to the same strict rules that other modes of transport are," says Chris, as he heads home after a swim.