/*
Title: Enumeration of Constants in Go
Example with and without explicit values (using iota)
*/
package main
import "fmt"
// Enum WITHOUT explicit values (iota starts at 0)
const (
Red = iota // 0
Green // 1
Blue // 2
)
// Enum WITH explicit and mixed values
const (
OK = 1 // 1
Warning = 5 // 5
Error // 6 (auto: previous + 1)
Critical = 10 // 10
)
func main() {
fmt.Println("Enum without explicit values:")
fmt.Println("Red =", Red)
fmt.Println("Green =", Green)
fmt.Println("Blue =", Blue)
fmt.Println("\nEnum with explicit and mixed values:")
fmt.Println("OK =", OK)
fmt.Println("Warning =", Warning)
fmt.Println("Error =", Error)
fmt.Println("Critical =", Critical)
}
/*
run:
Enum without explicit values:
Red = 0
Green = 1
Blue = 2
Enum with explicit and mixed values:
OK = 1
Warning = 5
Error = 6
Critical = 10
*/
