macro_rules! intro { () => { ... }; ($arg:expr) => { ... }; ($($arg:tt)*) => { ... }; }
Intro message.
Write a message to start a prompt session.
Can take either a fmt string like format!, a type that implements Display, or nothing.
format!
Display
use may_clack::intro; // empty intro!(); // fmt string intro!("fmt {:?}", "string"); // impl Display intro!("text"); intro!(4);