回答編集履歴
1
std::stringのまま動作するコードを追記
answer
CHANGED
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@@ -13,4 +13,21 @@
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13
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{
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delete pStream;
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}
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16
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```
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(追記)
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19
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解決済みですが一応…
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20
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filenameがstd::stringのままで動くもの。
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21
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```C++
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std::ostream* pStream = new std::ofstream(filename);
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if (pStream->fail())
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{
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delete pStream;
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pStream = &std::cout;
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}
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*pStream << "hogehoge" << std::endl;
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if (pStream != &std::cout)
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{
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delete pStream;
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}
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```
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