回答編集履歴
1
enum名変更
answer
CHANGED
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@@ -2,13 +2,13 @@
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```swift
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4
4
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5
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-
enum
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5
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+
enum SortKey: String {
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6
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case id
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7
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case name
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}
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9
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-
func label(_ user: User, _
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+
func label(_ user: User, _ sortKey: SortKey) -> String {
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switch
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11
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+
switch sortKey {
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case .id: return String(user.id)
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case .name: return user.name
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}
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@@ -23,11 +23,11 @@
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let keys = ["id", "name", "実装忘れのキー"]
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-
let label0 = label(u,
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+
let label0 = label(u, SortKey(rawValue: keys[0])!)
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-
let label1 = label(u,
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+
let label1 = label(u, SortKey(rawValue: keys[1])!)
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-
let label2 = label(u,
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+
let label2 = label(u, SortKey(rawValue: keys[2])!) // SortKeyが生成できないのでクラッシュ
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```
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