🐛 throwError 예제 수정 #23
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관련 이슈
#16
상세 내역
throwError는 error를 발생한 Observable이기에
에러가 나는 경우에 throwError Observable로 변환하고, of를 이용하여 만든 number의 Observable을 반환한다.
따라서 이를 데이터형태로 받기 위해 mergeMap을 통해 Observable in Observable 형태를 Observable 형태로 변환한다.
@myalin 관련 내역 참조하세요.