use askama::Template; #[derive(Template)] #[template(source = "{{ self.get_s() }}", ext = "txt")] struct SelfMethodTemplate<'a> { s: &'a str, } impl<'a> SelfMethodTemplate<'a> { fn get_s(&self) -> &str { self.s } } #[test] fn test_self_method() { let t = SelfMethodTemplate { s: "foo" }; assert_eq!(t.render().unwrap(), "foo"); } #[derive(Template)] #[template(source = "{{ self.get_s() }} {{ t.get_s() }}", ext = "txt")] struct NestedSelfMethodTemplate<'a> { t: SelfMethodTemplate<'a>, } impl<'a> NestedSelfMethodTemplate<'a> { fn get_s(&self) -> &str { "bar" } } #[test] fn test_nested() { let t = NestedSelfMethodTemplate { t: SelfMethodTemplate { s: "foo" }, }; assert_eq!(t.render().unwrap(), "bar foo"); }