iota

iota

iota (increment by 1 on every use in every constant block of var) enumeration

examples/const-block-iota/block_iota.go

package main

import (
    "fmt"
)

const (
    a = iota
    b = iota
    c = iota
)

const (
    d = iota
    e
    f
)

func main() {
    fmt.Println(a)
    fmt.Println(b)
    fmt.Println(c)
    fmt.Println()

    fmt.Println(d)
    fmt.Println(e)
    fmt.Println(f)
}