AWS - Programming With Percy Greeter main.go

package main

import (
	"fmt"
	// aws-lambda package has to be imported
	"github.com/aws/aws-lambda-go/lambda"
)

// User is a simple struct to accept as input
type User struct {
	Name    string `json:"name"`
	LastName string `json:"lastname"`
}

// Greetings is the response to a user entering
type Greetings struct {
	Greet string `json:"greet"`
}

// String implements the stringer interface for user
func (u User) String() string {
	return fmt.Sprintf("Welcome %s %s", u.Name, u.LastName)
}

// GreetVisitor is a lambda function that will greet a visitor
func GreetVisitor(event User) (Greetings, error) {
	return Greetings{Greet: event.String()}, nil
}

func main() {
	// Lambda start is used to handle the function
	lambda.Start(GreetVisitor)
}