$ cat main.go
package main

const A = 1
const B = 1
const C = 1

var a int
var b int
var c int


$ goimports main.go
package main

const A = 1
const B = 1
const C = 1

var a int
var b int
var c int


$ gofmt main.go
package main

const A = 1
const B = 1
const C = 1

var a int
var b int
var c int