How to get first and last element of slice in Golang?
In this example, you will learn to get first and last element of Slice and remove last element from Slice.
The composite data type
Slice is commonly used as the colloquial construct for indexed data in Go.The type
[]intSlice is a Slice with elements of type integer.len function is used to fetch last element of Slice and remove last element from Slice.
Example
package main
import "fmt"
func main() {
intSlice := []int{1, 2, 3, 4, 5}
fmt.Printf("Slice: %v\n", intSlice)
last := intSlice[len(intSlice)-1]
fmt.Printf("Last element: %v\n", last)
first := intSlice[:0]
fmt.Printf("First element: %d\n", first)
remove := intSlice[:len(intSlice)-1]
fmt.Printf("Remove Last: %v\n", remove)
}
Output
Slice: [1 2 3 4 5]
Last element: 5
First element: [1]
Remove Last: [1 2 3 4]
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