dongsu0308 2015-09-03 16:34
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如何在Golang中增加数组大小

Suppose, I have an array

array1 := [5]int {
    1,2,3,4,5,
}

And I need to increase this array size.

  • How can I increase array size in go so that I can add additional element?

If I have another array

array2 := [5]int {
    6,7,8,9,10,
}
  • How can I append array2 with array1?

Then array1 will print [1,10]

for i:=0; i<len(array1); i++ {
    fmt.Print(array1[i], "," )
}

Output:

1,2,3,4,5,6,7,8,9,10
  • 写回答

1条回答 默认 最新

  • doureng1083 2015-09-03 16:36
    关注

    The only way to 'resize' an array is to make a new one. You can use slices which behaves much like an array but is resized dynamically for you. You use the append method to add items to a slice.

    slice1 := []int{1,2,3,4,5}
    slice2 := []int{6,7,8,9,10}
    slice1 = append(slice1, slice2...)
    for v, _ := range slice1 {
       fmt.Println(v)
    }
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论

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