回答編集履歴
1
add url
test
CHANGED
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@@ -69,3 +69,15 @@
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69
69
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}
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70
70
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71
71
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```
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72
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+
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73
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+
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74
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+
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75
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公式
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76
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+
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77
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if let
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78
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+
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79
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+
https://docs.swift.org/swift-book/LanguageGuide/TheBasics.html
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80
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+
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81
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+
guard
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82
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+
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83
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https://docs.swift.org/swift-book/LanguageGuide/ControlFlow.html#ID525
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