回答編集履歴
3
first
test
CHANGED
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@@ -45,3 +45,25 @@
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45
45
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//=> c
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46
46
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47
47
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```
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48
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+
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49
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+
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50
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+
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51
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+
# first版
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52
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+
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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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+
こっちの方がいいかも。
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56
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+
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57
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+
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58
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+
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59
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+
```swift
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60
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+
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61
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+
let searchId = 12
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62
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+
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63
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+
let temp = (x.first {$0["id"] as? Int == searchId} ?? [:])["name"] ?? "(not found)"
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64
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+
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65
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+
print(temp)
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66
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+
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67
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+
//=> a
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68
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+
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69
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+
```
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2
Int
test
CHANGED
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@@ -27,3 +27,21 @@
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27
27
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28
28
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29
29
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見つからなかったときは`(not found)`を返します。
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30
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+
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31
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+
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32
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+
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33
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+
# Int版
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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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+
```swift
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38
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+
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39
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+
let searchId = 38
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40
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+
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41
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+
let temp = x.filter {$0["id"] as? Int == searchId}.first?["name"] ?? "(not found)"
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42
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+
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43
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+
print(temp)
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44
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+
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45
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+
//=> c
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46
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+
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47
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+
```
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1
temp
test
CHANGED
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@@ -16,7 +16,9 @@
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16
16
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17
17
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let searchId = "24"
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18
18
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19
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-
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19
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+
let temp = x.filter {String(describing: $0["id"] ?? "") == searchId}.first?["name"] ?? "(not found)"
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20
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+
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21
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+
print(temp)
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20
22
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21
23
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//=> b
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22
24
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