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// 1 type declaration type Person name: String age: Int // 2 tagged union declaration union User = | LoggedIn name: String | Guest // 3 hello world "Hello World!" echo // 4 creating instance of type person = Person name: "sas" age: 6 // 5 call function person haveBirthday // 7 create function for type // 6 change instance's field // yes, assign can be used as expression here Person haveBirthday = age <- age + 1 // 8 loop 1 to: 3 do: [ it echo ] // 9 if true => "true" echo // 10 switch // smart casted inside branches User getName = | this | Guest => "Guest" echo | LoggedIn => name echo // field of LoggedIn in scope // 11 list list = {1 2 3} list add: 4 // 1a 2a 3a 4a mappedList = list map: [it toString + "a"] // map map = #{1 "a" 2 "b"} map at: 3 put: "c" // "a" a = map at: 1 a != null => a echo