回答編集履歴
1
修正
test
CHANGED
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@@ -12,7 +12,7 @@
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12
12
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13
13
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var list = new List<char>();
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14
14
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15
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-
foreach (var c in source)
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15
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+
foreach (var c in source.Append(','))
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16
16
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17
17
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{
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18
18
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@@ -48,8 +48,6 @@
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48
48
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49
49
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}
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50
50
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51
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-
if (list.Count > 0) yield return string.Concat(list);
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52
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-
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53
51
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}
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54
52
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55
53
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```
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