use std::collections::HashMap;
fn main() {
    {
        let my_data = HashMap::from([
            ("1", "one"),
            ("2", "two"),
            ("42", "answer"),
        ]);
        let _ = my_data;
    }
    let my_data;
    my_data = HashMap::from([
        ("1", "one"),
        ("2", "two"),
        ("42", "answer"),
    ]);
    let _ = my_data;
}
