swift 第三天 控制流

/*************************************/

var some = 5

var i = 0

while i < 10

{

    i++

 guard i < some else

    {

        break

    }

print(i)

}

/*************************************/

var some = (1,1)

switch some

{

case (let x, 1 ):

    print("0")

    print(x)

case (_, _ ):

    print("111")

 

}

/*************************************/

var some = (1,1)

switch some

{

case (_, 1 ):

    print("0")

case (_, _ ):

    print("111")

 

}

/*************************************/

var i = 3

switch i

{

case 0 , 3:

    print("0")

case 1:

    print("1")

default:

    print("no")

}

/*************************************/

var i = 0

repeat

{

    i+=10;

    print(i)

}while i<100

/*************************************/

var i = 0

while i<100

{

    i+=10;

    print(i)

}

/*************************************/

let names = ["a":1 , "b":2 , "c":3 ]

var i = 0

for  ii<3 ;++i

{

    print(i)

}

print(i)

/*************************************/

let names = ["a":1 , "b":2 , "c":3 ]

var i = 0

for  ;  i<3 ;++i

{

    print(i)

}

print(i)

let names = ["a":1 , "b":2 , "c":3 ]

for (a,b) in names

{

    print("(a)(b)")

}

/*************************************/

let names = ["a","b" ,"c"]

for name in names

{

    print("hello! (name)")

}

原文地址:https://www.cnblogs.com/egai/p/5056370.html