Rust vs Go

gistfile1.rs

/*
I'm sure this is not a complete working code. Some includes/imports must be missing.
*/

fn main() {
    for ["Alice", "Bob", "Carol"].each |name| {
        let name = copy *name;
        do task::spawn {
            let v = rand::Rng().shuffle([1, 2, 3]);
            for v.each |num| {
                io::print(fmt!("%s says: '%d'\n", name, *num))
            }
        }
    }
}

Rust.go

/*
This is a complete working program, equivalent to the Rust program.
*/
package main

import (
    "fmt"
    "math/rand"
    "time"
)

func shuffle(nums []int) []int {
    result := make([]int, len(nums))
    indices := rand.Perm(len(nums))
    for i, si := range indices {
        result[i] = nums[si]
    }
    return result
}

func main() {
    people := []string{"Alice", "Bob", "Carol"}
    for _, name := range people {
        go func(name string) {
            v := shuffle([]int{1, 2, 3})
            for _, num := range v {
                fmt.Printf("%s says: '%d'\n", name, num)
            }
        }(name)
    }
    time.Sleep(10 * time.Millisecond)
}