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【第 58 天】下面哪一行代码会 panic，请说明原因？（切片） #83

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Seekload opened this issue Oct 30, 2019 · 1 comment

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Seekload commented Oct 30, 2019

package main

func main() {
	x := make([]int, 2, 10)
	_ = x[6:10]
	_ = x[6:]
	_ = x[2:]
}

tony2051 commented Nov 5, 2019

_ = x[6:] 会出错误，因为省略了第二个参数，第二个参数默认为 len(x) = 2，所以这一行代码就就是
_ = x[6:2]

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