Idiomatic retrieval of optional values in Go

hogwarts.go

package main

import "fmt"

type Student struct {
	name string
	house string
}

func findStudent(key int) (Student, bool) {
	students := map[int]Student{1: Student{name: "Harry Potter", house: "Hogwarts"}, 3: Student{name: "Draco Malfoy", house: "Slytherin"}}
	student, ok := students[key]
	return student, ok
}

func main() {
	if student, ok := findStudent(3); ok {
		fmt.Printf("The student's name is %v\n", student.name)
	} else {
		fmt.Println("Back to Hogwarts")
	}
}