Go语言示例学习02-for,if/else,分支结构

i := 2
for i < 6{
   fmt.Println(i)
   i++
}

for i:=0 ; i<5 ;i++{
   fmt.Println(i)
}

for {
   fmt.Println("will my is break")
   break
}

for i:=1;i<=10;i++{
   if i % 2 == 0 {
      continue
   }
   fmt.Println(i)
}

i := 9
if i % 3 == 0 {
   fmt.Println("is ok !")
}else{
   fmt.Println("is not")
}

if i := 9 ; i % 3 == 0 {
   fmt.Println("is ok !")
}else{
   fmt.Println("is not")
}

i := 3
fmt.Println("write ",i," as ")
switch i {
case 1:
   fmt.Println("one")
case 2:
   fmt.Println("two")
case 3:
   fmt.Println("three")
default:
   fmt.Println("yat no")
}

switch time.Now().Weekday() {case time.Saturday, time.Sunday:   fmt.Println("it's the weekend")default:   fmt.Println("it's a weekday")}

t := time.Now()
switch {
case t.Hour() < 12:
   fmt.Println("it's before noon")
default:
   fmt.Println("it's after noon")
}

whatAmI := func(i interface{}) {
   switch s := i.(type) {
   case bool:
      fmt.Println("i'm a bool")
   case int:
      fmt.Println("i'm a int")
   default:
      fmt.Println("Don't know type %T\n", s)
   }
}