loop through array golang code example

Example 1: golang loop through array

arr := []int{1, 2, 3, 4, 5}
//using range 
for index, ele := range arr { // you can escape index by _ keyword
	fmt.Println(index, ele)
}

Example 2: loop list golang

a := []string{"Foo", "Bar"}
for i, s := range a {
    fmt.Println(i, s)
}

Example 3: golang iterate through slice

var slice = []string{"Apple", "Orange", "Kiwi"}
for index, sliceItem := range slice { // You can omit index or sliceItem with a _
  fmt.Println("Index in slice:", index)
  fmt.Println("Fruit:", sliceItem)
}

Example 4: go iterate over slice

nums := []int{2, 3, 4}
    sum := 0
    for _, num := range nums {
        sum += num
    }
    fmt.Println("sum:", sum)