if true { fmt.Println("Yes!") }
See: Flow control
// Single line comment /\* Multi- line comment \*/
package main import "fmt" // The entry point of the programs func main() { fmt.Println("Hello world!") say("Hello Go!") } func say(message string) { fmt.Println("You said: ", message) }
See: Functions
var s1 string s1 = "Learn Go!" // declare multiple variables at once var b, c int = 1, 2 var d = true
Short declaration
s1 := "Learn Go!" // string b, c := 1, 2 // int d := true // bool
See: Basic types
package main import "fmt" func main() { fmt.Println("Hello, world!") }
Run directly
$ go run hello.go Hello, world!
Or try it out in the Go repl
