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//! A Simple Hello World Crate /// This function returns the greeting; `Hello, world!` pub fn hello() -> String { ("Hello, world!").to_string() } #[cfg(test)] mod tests { use super::hello; #[test] fn test_hello() { assert_eq!(hello(), "Hello, world!"); } } /* * the following lines are auto gerated when you use `cargo new --lib` to create this crate * #[cfg(test)] * mod tests { * #[test] * fn it_works() { * assert_eq!(2 + 2, 4); * } * } */