27 lines
553 B
Go
27 lines
553 B
Go
// _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)
|
|
}
|
|
|
|
// todo: coalesced parameter types
|