- 첫 프로그램 검사와 실행 →Write one function, check its types, and run it to print a line.
- 언어 한눈에 보기 →See how Topaz connects everyday programming, failure handling, concurrent work, and typesetting with explicit inputs.
- 데이터와 패턴 →Build two ticket values and use an enum pattern to print their states.
- 제네릭 함수와 프로토콜 →Reuse one function for two record types, then correct a repeated protocol bound.
- 모듈과 표준 라이브러리 →Move a greeting into another source file, import it, and print through the standard library.
- 진단과 테스트 →Use a diagnostic code, explain the failure, repair the program, and test the result.