Sorting array of Ints

Question

I'm attempting to sort an array of Ints using the following function

func sortArray(array [100]int) [100]int {
    var sortedArray = array
    sort.Sort(sort.Ints(sortedArray))

    return sortedArray
}

and getting the following error:

.\helloworld.go:22: cannot use sortedArray (type [100]int) as type []int in argument to sort.Ints .\helloworld.go:22: sort.Ints(sortedArray) used as value

I'm trying to figure out Go and I'm getting stuck on this one.

sort.Ints (and indeed sort.Sort) expect a slice and you gave it an array. — Adam Smith
– Adam Smith, Commented Feb 8, 2017 at 21:05

Mr_Pink · Accepted Answer · 2017-02-08 21:04:56Z

8

You can sort an array by taking a slice of the entire array

sort.Ints(array[:])

You probably don't want an array in the first place however, and should be using a slice of []int.

Also, your sortedArray is the same value as array, so there is no reason to create the second variable.

answered Feb 8, 2017 at 21:04

Mr_Pink

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2 Comments

Kaylined Over a year ago

Cheers, it worked. I'll read some more on slices to figure out the why. Thanks. I fixed my redundancy as well. Why does the second error message occur?

Mr_Pink Over a year ago

@Kaylined: The second error message is because you're trying to pass sort.Ints as an argument to sort.Sort. sort.Ints doesn't have a return value, and you don't need to call sort.Sort.

Anas Mostafa · Accepted Answer · 2022-03-15 05:46:37Z

0

You probably don't want an array in the first place however, and should be using a slice of []int.

Also, your sortedArray is the same value as array, so there is no reason to create the second variable.

answered Mar 15, 2022 at 5:46

Anas Mostafa

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