回答編集履歴
1
ToArray
test
CHANGED
@@ -8,6 +8,6 @@
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8
8
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```csharp
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10
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11
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-
var merged = ary1.Union(ary2);
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11
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+
var merged = ary1.Union(ary2).ToArray();
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12
12
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```
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