Little teabot. My first go.

main.go

package main

import (
	"fmt"
	"os"
)

func main() {
	args := os.Args[1:]
	name := args[0]
	fmt.Printf("%s has %d sugars.", name, numberOfSugars(args[0]))

	if hasMilk(args[0]) {
		fmt.Printf("%s takes milk too.", name)
	}

	if hasDecaff(args[0]) {
		fmt.Printf("%s only drinks decaff.", name)
	}
}

func numberOfSugars(name string) int {
	switch name {
	case "Max":
		return 0
	default:
		return 0
	}
}

func hasMilk(name string) bool {
	switch name {
	case "Max":
		return true
	default:
		return false
	}
}

func hasDecaff(name string) bool {
	switch name {
	case "Max":
		return false
	case "Dan":
		return true
	default:
		return false
	}
}