回答編集履歴
4
フォーマット
answer
CHANGED
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@@ -3,7 +3,7 @@
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3
3
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```swift
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4
4
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let array = ["Apple//りんご", "ぶどう//Grape", "Banana//バナナ", "Pineapple//パイナップル", "//", "さくらんぼ//Cherry", "Orange//オレンジ"]
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5
5
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6
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-
let result = array.map {$0.components(separatedBy: "//")[1]}
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6
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+
let result = array.map { $0.components(separatedBy: "//")[1] }
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7
7
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8
8
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print(result) // ["りんご", "Grape", "バナナ", "パイナップル", "", "Cherry", "オレンジ"]
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9
9
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```
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3
変更しないものは定数に。
answer
CHANGED
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@@ -1,9 +1,9 @@
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1
1
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先の方と基本同じですが、`components(separatedBy:)`の仕様上、filterは不要かと。
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2
2
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3
3
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```swift
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4
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-
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4
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+
let array = ["Apple//りんご", "ぶどう//Grape", "Banana//バナナ", "Pineapple//パイナップル", "//", "さくらんぼ//Cherry", "Orange//オレンジ"]
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5
5
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6
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-
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6
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+
let result = array.map {$0.components(separatedBy: "//")[1]}
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7
7
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8
8
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print(result) // ["りんご", "Grape", "バナナ", "パイナップル", "", "Cherry", "オレンジ"]
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9
9
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```
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2
言語指定
answer
CHANGED
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@@ -1,6 +1,6 @@
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1
1
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先の方と基本同じですが、`components(separatedBy:)`の仕様上、filterは不要かと。
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2
2
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3
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-
```
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3
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+
```swift
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4
4
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var array = ["Apple//りんご", "ぶどう//Grape", "Banana//バナナ", "Pineapple//パイナップル", "//", "さくらんぼ//Cherry", "Orange//オレンジ"]
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5
5
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6
6
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var result = array.map {$0.components(separatedBy: "//")[1]}
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1
少し見やすくコメント追加
answer
CHANGED
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@@ -5,5 +5,5 @@
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5
5
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6
6
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var result = array.map {$0.components(separatedBy: "//")[1]}
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7
7
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8
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-
print(result)
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8
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+
print(result) // ["りんご", "Grape", "バナナ", "パイナップル", "", "Cherry", "オレンジ"]
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9
9
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```
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