use std::fmt::{Debug, Display}; use string_enum::*; pub trait Assert: Debug + Display {} #[derive(StringEnum)] pub enum Tokens { ///`a` A, /// `b` B, } impl Assert for Tokens {} #[test] fn as_str() { assert_eq!(Tokens::A.as_str(), "a"); assert_eq!(Tokens::B.as_str(), "b"); } #[test] fn test_fmt() { assert_eq!(Tokens::A.to_string(), "a"); assert_eq!(format!("{}", Tokens::A), "a"); }