iota example

iota_example.go

package main

import "fmt"

//using iota to declare value and inc                                                                                                            
const (
        A1 = iota //Start at 0                                                                                                                   
        B1 = iota //Inc by 1                                                                                                                     
        C1 = iota //Inc by 1                                                                                                                     
)

const (
        A2 = iota //Start at 0                                                                                                                   
        B2        //Inc by 1                                                                                                                     
        C2        //Inc by 1                                                                                                                     
)

const (
        A3 = iota + 3 //Start at 3                                                                                                               
        B3            //Inc by 1                                                                                                                 
        C3            //Inc by 1                                                                                                                 
)

func main() {
        println("print first example:")
        fmt.Printf("A1: %d\nB1: %d\nC1: %d\n", A1, B1, C1)

        println("print second example")
        fmt.Printf("A2: %d\nB2: %d\nC2: %d\n", A2, B2, C2)

        println("print third example (starting at 3)")
        fmt.Printf("A3: %d\nB3: %d\nC3: %d\n", A3, B3, C3)
}