Swift

기본 개념

1. Constant & Variable

- constant 와 variable / tuple 데이터 타입

2. String

- string 과 character

3. Collections

- Array & Set & Dictionary

4. Basic Operator & Range Operator

- basic Operator & Range Operator

5. Control Flow - Loop

- while 과 for-in

6. Control Flow - Condition

- if-else 와 다양한 switch case

7. guard / defer / available

- guard / defer / available

8. optional

- optional —