handlebars 4.3.6

extern crate handlebars;
#[macro_use]
extern crate serde_json;

use handlebars::Handlebars;

#[test]
fn test_root_var() {
    let hbs = Handlebars::new();

    let data = json!({
        "a": [1, 2, 3, 4],
        "b": "top"
    });

    assert_eq!(
        hbs.render_template("{{#each a}}{{@root/b}}: {{this}};{{/each}}", &data)
            .unwrap(),
        "top: 1;top: 2;top: 3;top: 4;"
    );
}