Colon Builder

Build structure from colon separate fields like

name:colon builder
hobbies: book,game,football
TV: once a while

Sample code

#[derive(ColonBuilder)]
struct Person {
    #[cb(require)]
    name: String,
    hobbies: Vec<String>,
    #[cb(abbr="TV")]
    favoriteTVShows: Option<String>
}

let p = Person::from_str("name:lu\nTV:show");

cargo expand --test p to expand the test file p.rs