[swift] 60. Dictionary 반복

1. for

for (key, value) in dictionary

• 생략하고자하면 _ 사용
  • for (_, age) in myFriends

let myFriends = ["철수": 19, "수잔": 23, "빙수" :22]

for (name, age) in myFriends{
	print("\(name) 의 나이 \(age)")
}

2. foreach

• closure 형태
• 생략하고자하면
  • 키 생략: .values
  • 값 생략: .keys

myFriends.foreach{ (key: String, value: Int) in
	print("\(name) 의 나이 \(age)")
}

myFriends.keys.foreach{ (key: String) in
	...
}