Is there a way to iterate over a range of integers?

Question

Go's range can iterate over maps and slices, but I was wondering if there is a way to iterate over a range of numbers, something like this:

for i := range [1..10] {
    fmt.Println(i)
}

Or is there a way to represent range of integers in Go like how Ruby does with the class Range?

Answer 1

From Go 1.22 (expected release February 2024), you will be able to write:

for i := range 10 {
    fmt.Println(i+1)
}

(ranging over an integer in Go iterates from 0 to one less than that integer).

For versions of Go before 1.22, the idiomatic approach is to write a for loop like this.

for i := 1; i <= 10; i++ {
    fmt.Println(i)
}