import (
"testing"
)
//产量定义
const (
Monday = iota + 1
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
)
const (
Readable =1<<iota
Writable
Executable
)
func TestConstantTry(t *testing.T) {
t.Log(Monday, Sunday)
}
func TestConstantTry2(t *testing.T) {
a:=1
t.Log(a&Readable==Readable ,a&Writable==Writable ,a&Executable==Executable )
}