Mark McGranaghan b70e1e7f7c publish if/else
2012-10-13 09:17:44 -07:00

36 lines
802 B
Go

// Branching with `if` and `else` in Go is
// straight-forward.
package main
import "fmt"
func main() {
// Here's a basic example.
if 7%2 == 0 {
fmt.Println("7 is even")
} else {
fmt.Println("7 is odd")
}
// You can have an `if` statement without an else.
if 8%4 == 0 {
fmt.Println("8 is divisible by 4")
}
// A statement can proceed conditionals; any variables
// declared in this statement are available in all
// branches.
if num := 9; num < 0 {
fmt.Println(num, "is negative")
} else if num < 10 {
fmt.Println(num, "has 1 digit")
} else {
fmt.Println(num, "has multiple digits")
}
}
// Note that you don't need parenthesis around conditions
// in Go, but that the brackets are required.