Method new

ch_03/src/main.rs:27–34

(id: QuestionId, title: String, content: String, tags: Option<Vec<String>>)

impl Question {
    fn new(id: QuestionId, title: String, content: String, tags: Option<Vec<String>>) -> Self {
        Question {
            id,
            title,
            content,
            tags,
        }
    }
}

impl FromStr for QuestionId {