What's wrong with the code when go returns multiple values?

package main

import (
    "fmt"
)

func main(){
    x := 3
    i := 4
    b := []byte{1,2,2,4}
    x,i = nextInt(b)
    fmt.Println(x,i)
}
func nextInt(b []byte)(int int){
    a := 0
    count := 100
    return a,count
}
Mar.13,2021

(int, int)
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b30c1e-34107.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b30c1e-34107.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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