복수 서브스크립트 (코드 17-4) 질문! #27
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Chuncheonian
hyunjung-ann
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복수 서브스크립트 코드 17-4 (324p) 공부하다가 filter 관련 이해 안가는 부분이 있어 질문드려요! 1. -> 해석하면, 2. |
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Answered by
Chuncheonian
Jul 19, 2021
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저도 이부분이 어려워서 많이 봤었네요ㅠㅠ 확실히 Optional이 어렵긴해요ㅠ
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Chuncheonian
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저도 이부분이 어려워서 많이 봤었네요ㅠㅠ 확실히 Optional이 어렵긴해요ㅠ