package main
import "fmt"
func main() {
/*
iota：特殊的常量，可以被编译器自动修改的常量
每当定义一个const，iota的初始值为0
直到下一个const出现，清零
*/
const (
a = iota //0
b = iota //1
c = iota //2
)
fmt.Println(a)
fmt.Println(b)
fmt.Println(c)
const (
d = iota //0
e //1
)
fmt.Println(d)
fmt.Println(e)
//枚举中
const (
MALE = iota //0
FEMAIL //1
UNKNOW //2
)
fmt.Println(MALE, FEMAIL, UNKNOW)
}
package main
import "fmt"
func main() {
const (
A = iota //0
B //1
C //2
D = "haha" //iota=3
E //haha iota=4
F = 100 //iota=5
G //100 iota=6
H = iota //7
I //iota=8
)
const (
J = iota //0
)
fmt.Println(A)
fmt.Println(B)
fmt.Println(C)
fmt.Println(D)
fmt.Println(E)
fmt.Println(F)
fmt.Println(G)
fmt.Println(H)
fmt.Println(I)
fmt.Println(J)
}
