Go by Example: Functions

Functions are central in Go. We’ll learn about functions with a few different examples.
	package main
	import "fmt"
Here’s a function that takes two `int`s and returns their sum as an `int`.	func plus(a int, b int) int {
Go requires explicit returns, i.e. it won’t automatically return the value of the last expression.	return a + b }
	func main() {
Call a function just as you’d expect, with `name(args)`.	res := plus(1, 2) fmt.Println("1+2 =", res) }

	$ go run functions.go 1+2 = 3
There are several other features to Go functions. One is multiple return values, which we’ll look at next.