mygotour/examples/functions.go

// Functions:
// A function can take zero or more arguments
package examples

import "fmt"

// Default add function values
const (
	X = 5
	Y = 7
)

// This function takes two parameters of type int
// (and returns an int) notice that the type comes
// after the variable name.
//
// This could also be written:
// func add(x, y int) int
// if parameters are the same type
func add(x int, y int) int {
	return x + y
}

func Functions() int {
	ans := add(X, Y)
	fmt.Printf("%d + %d => %d\n", X, Y, ans)
	return ans
}