質問編集履歴
2
修正
test
CHANGED
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File without changes
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test
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@@ -1,6 +1,6 @@
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1
1
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下図のようなエラーが表示され困惑中です
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2
2
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3
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-
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4
4
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5
5
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6
6
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1
情報の追記
test
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File without changes
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test
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@@ -2,9 +2,7 @@
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2
2
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3
3
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4
4
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5
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-
以下，ソースコードです．
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6
5
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7
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-
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8
6
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9
7
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10
8
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@@ -15,3 +13,55 @@
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15
13
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16
14
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17
15
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XcodeVersion 11.5 (11E608c)
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16
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+
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17
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+
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18
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+
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19
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+
---------------------------
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20
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+
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21
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追記です．
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22
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+
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23
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＜エラーメッセージ(先頭より数行)＞
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24
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25
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Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<prototype.ViewController 0x7fe502d08060> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key button.'
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26
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+
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27
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+
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28
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+
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29
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以下，ソースコード全文です．
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30
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+
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31
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+
```html
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32
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33
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+
import UIKit
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34
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+
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35
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+
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36
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+
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37
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+
class ViewController: UIViewController {
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38
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+
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39
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+
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40
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+
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41
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@IBOutlet weak var textField: UITextField!
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42
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+
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43
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@IBOutlet weak var label: UILabel!
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44
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+
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45
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46
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47
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override func viewDidLoad() {
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48
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49
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super.viewDidLoad()
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50
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+
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51
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// Do any additional setup after loading the view.
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52
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53
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}
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54
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+
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55
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+
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56
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57
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@IBAction func button(_ sender: UIButton) {
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58
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+
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59
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label.text = textField.text
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60
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+
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61
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}
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62
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+
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63
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+
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64
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+
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65
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+
}
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66
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+
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67
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+
```
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