Función para concatenar un arreglo de ids con strings

main.go

package main

import (
	"fmt"
	"strings"
)

func main() {
	ids := []string{"id 1", "id 2", "id 3", "id 4", "id 5"}
  // output: [{ id: id 1 },{ id: id 2 },{ id: id 3 },{ id: id 4 },{ id: id 5 }]
	fmt.Println(concatWithStrings(ids))
}

func concatWithStrings(ids []string) string {
	first := fmt.Sprintf("[{ id: %v },", ids[0])

	middle := []string{}
	for _, value := range ids[1 : len(ids)-1] {
		middle = append(middle, fmt.Sprintf("{ id: %v }", value))
	}

	sentence := strings.Join(middle, ",")
	last := fmt.Sprintf(",{ id: %v }]", ids[len(ids)-1])

	return first + sentence + last
}