language-benchmarks/Compiled/array-reverse/rev.go

package main

import (
    "fmt"
    "os"
    "strconv"
)

func reverseArray(l []int) {
    for i := 0; i < (len(l) >> 1); i++ {
        lastIdx := len(l) - i - 1
        l[lastIdx], l[i] = l[i], l[lastIdx]
    }
}

func main() {
    if len(os.Args) != 3 {
        fmt.Fprintln(os.Stderr, "Usage: array-reverse <size> <iterations>")
        os.Exit(1)
    }

    count, _ := strconv.Atoi(os.Args[1])
    iterations, _ := strconv.Atoi(os.Args[2])

    array := make([]int, count)
    for i := 0; i < count; i++ {
        array[i] = i
    }

    for i := 0; i < iterations; i++ {
        reverseArray(array)
    }
}