golang-切片

package main

import "fmt"

/*func main()  {
    arr := [10]int {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

    s := arr[1:3:5]
    fmt.Println("s = ", s)
    fmt.Println("len（s） = ", len(s))
    fmt.Println("cap（s） = ", cap(s))

    s := arr[1:5:7]
    fmt.Println("s = ", s)
    fmt.Println("len（s） = ", len(s))        // 5-1 == 4
    fmt.Println("cap（s） = ", cap(s))        // 7-1

    s2 := s[0:6]
    fmt.Println("s = ", s2)
    fmt.Println("len（s） = ", len(s2))        // 6-0 == 6
    fmt.Println("cap（s） = ", cap(s2))
}*/

/*func main() {
    arr := [10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
    s := arr[2:5:5]                    // {3， 4, 5}
    fmt.Println("s=", s)
    fmt.Println("len(s)=", len(s))
    fmt.Println("cap(s)=", cap(s))

    s2 := s[2:7]                     // {34567} {56789}
    fmt.Println("s=", s2)
    fmt.Println("len(s)=", len(s2))
    fmt.Println("cap(s)=", cap(s2))
}
*/

/*func main()  {
    // 1. 自动推导赋初值
    s1 := []int {1, 2, 4, 6}
    fmt.Println("s1 = ", s1)

    s2 := make([]int, 5, 10)
    fmt.Println("len=", len(s2), "cap=", cap(s2))

    s3 := make([]int, 7)
    fmt.Println("len=", len(s3), "cap=", cap(s3))

}*/

func main()  {
    s1 := []int {1, 2, 4, 6}      // 创建一个有初始值的切片

    s1 = append(s1, 888)
    s1 = append(s1, 888)
    s1 = append(s1, 888)
    s1 = append(s1, 888)
    s1 = append(s1, 888)

    fmt.Println("s1=", s1)
}

package main

import (
    "fmt"

)

func noSame(data []string )[]string  {
    out := data[:1] //切片中0可以不写
    fmt.Println(out[:1])
    //便利原始切片字符串
    for _, word := range data  {
        i :=0
        fmt.Println(word)
        for ;i<len(out);i++{
            if word==out[i]{
                break
            }
        }
        if i==len(out){
            out=append(out,word)
        }
    }
    return out
}

func main()  {
    data := []string{"red", "black", "red", "yellow", "yellow", "pink", "blue", "pink", "blue"}

    afterData := noSame(data)
    fmt.Println("Afterdata:", afterData)

    fmt.Println("++++++++++++++++++++++++++")
    fmt.Println( data[0:3])

}

 append(s1, 888)