struct Jctaoo: Boy, Student, Developer {
    var email: String {
        "jctaoo@outlook.com"
    }

    static let unique = Jctaoo()
    private init() {}

    var mostInterestLangs: [Language] {
        [.swift, .rust]
    }

    func sayHi() {
        """
        👋 Hi there, I'm jctaoo.
           A high school student from China with a passion for developing some
           interesting programs and fascinated by everything that's CS related.
        """.announce()
        focusing(on: "Swift Student Challenage").say()
        work(in: "🚀fusée code lab", to: "make fantastic open-source programs").say()
        recently {
            learning {
                "Algorithms"
                "Compilation Principles"
            }
        }.say()
        bigFans(to: "Detective Conan").say()
        "✨ See my pined project below, you may lik these.".happyToSay()
    }
}

mail(to: Jctaoo.unique)

run result