crazy-cpu

有个问题哈，事先知道slice长度的情况下最好先预设长度会比不预设快，但是实际我benchmark测试结果如下（golang 1.18），结果恰恰相反，这是怎么回事？ goos: windows goarch: amd64 pkg: demo cpu: Intel(R) Core(TM) i5-9400 CPU @ 2.90GHz BenchmarkSlice1-6 181 6142071 ns/op BenchmarkSlice2-6 150 7996002 ns/op PASS ok demo 3.832s 代码如下： ``` func...


today,I try to fill "rtu://COM7" to URL field, it works. I can''t explain this situation,but anyway, this problem is solved.thank you.