質問編集履歴
1
operator<<内のreturn *thisの記載忘れ
test
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File without changes
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test
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@@ -72,6 +72,8 @@
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72
72
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73
73
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std::cout << std::endl;
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74
74
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75
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+
return *this;
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76
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+
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75
77
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}
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76
78
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77
79
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};
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