Question

How to add element to the beginning of a slice in Go

Answer 1

package main
   
import (
    "fmt"
)
   
func main() {
    slice := []int{4, 6, 12, 45, 98, 77, 32, 5, 1, 99, 100}
    val := 888
     
    fmt.Println(slice)
     
    slice = append([]int{val}, slice...)
     
    fmt.Println(slice)
} 
 
    
  
/*
run:
   
[4 6 12 45 98 77 32 5 1 99 100]
[888 4 6 12 45 98 77 32 5 1 99 100]
   
*/

 

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