[Go] if ... else if ... else demo

package main

import (
    "fmt"
)

func main() {
    n := 0

    if n > 0 {
        fmt.Println("n is larger than zero.")
    } else if n < 0 {
        fmt.Println("n is smaller than zero.")
    } else {
        fmt.Println("n is equal to zero.")
    }
}