pub fn from_item<'a, Tin, Tout>(item: HashMap<String, Tin>) -> Result<Tout> where
    Tin: AttributeValue,
    Tout: Deserialize<'a>, 
Expand description

Interpret an Item – a hashmap from String to AttributeValue – as an instance of type T.

TODO

#[derive(Serialize, Deserialize)]
pub struct User {
    id: String,
    name: String,
    age: u8,
};

// Get documents from DynamoDB
let input = ScanInput {
    table_name: "users".to_string(),
    ..ScanInput::default()
};
let result = client.scan(input).await?;

// And deserialize them as strongly-typed data structures
for item in result.items.unwrap() {
    let user: User = from_item(item)?;
    println!("{} is {}", user.name, user.age);
}