Dictionary1 [Swift] Dictionary(grouping:by:) https://developer.apple.com/documentation/swift/dictionary/init(grouping:by:) init(grouping:by:) | Apple Developer DocumentationCreates a new dictionary whose keys are the groupings returned by the given closure and whose values are arrays of the elements that returned each key.developer.apple.com 낯선 방식의 생성자이어서 기록해본다. let students = ["Kofi", "Abena", "Efua", "Kweku", "Akosua"]let studentsByLette.. 2024. 7. 12. 이전 1 다음
