Hello world for Rust AWS Lambda

main.rs

extern crate aws_lambda as lambda;

fn main() {
    lambda::gateway::start(|_req /* API Gateway Request */| {
        let res = lambda::gateway::response() // Construct API Gateway Response
            .status(200)
            .body(lambda::gateway::Body::from("Hello, World!"))?; // Convert String to Body

        Ok(res) // Return response
    })
}