use askama::Template; #[derive(Template)] // this will generate the code... #[template(path = "hello.html")] // using the template in this path, relative // to the templates dir in the crate root struct HelloTemplate<'a> { // the name of the struct can be anything name: &'a str, // the field name should match the variable name // in your template } #[test] fn main() { let hello = HelloTemplate { name: "world" }; // instantiate your struct assert_eq!("Hello, world!", hello.render().unwrap()); // then render it. }