adding big ints

randint

package main

import (
  "fmt"
  "crypto/rand"
  "math/big"
)

func main() {
        var n *big.Int
        var err error

        max := *big.NewInt(12)

        n, err = rand.Int(rand.Reader, &max)

        offset := *big.NewInt(int64(2))
        var x *big.Int
        x.Add(n, offset)

        if err != nil {
                fmt.Println(err)
        }
        fmt.Printf("%d\n", x)
}


// # command-line-arguments
// ./hello.go:19: cannot use offset (type big.Int) as type *big.Int in argument to x.Add