Question

How to zero a 2D array in Go

Answer 1

package main

import "fmt"

func main() {
    array := [][]int{
        {1, 290, 33},
        {4,  85, 96},
    }
 
    fmt.Println(array)

    zeroSlice := make([]int, len(array[0]))
    // Zero the array using the copy function
    for i := range array {
        copy(array[i][:], zeroSlice)
    }
    
    fmt.Println(array)
}



/*
run:

[[1 290 33] [4 85 96]]
[[0 0 0] [0 0 0]]

*/

 

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