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README.md
swaplast
Instructions
Write a function that takes as an argument a slice of integers and return another slice of integers with the last two elements swapped.
If the slice contains less than two elements return the same slice.
Expected function
func SwapLast(slice []int) []int {
}
Usage
Here is a possible program to test your function:
package main
import (
"fmt"
)
func main() {
fmt.Println(SwapLast([]int{1, 2, 3, 4}))
fmt.Println(SwapLast([]int{3, 4, 5}))
fmt.Println(SwapLast([]int{1}))
}
And its output:
$ go run .
[1 2 4 3]
[3 5 4]
[1]