記錄一次比較無語的語法錯誤 - "error: ‘ostream’ has not been declared"
記錄一個讓筆者有點無語的語法錯誤 debug 過程... 1.晚上使用 VScode 寫代碼,編譯時出現如下報錯信息 "error: ‘ostream’ has not been declared".編譯無法通過. 2.產生上述報錯時,源文件中包含了頭文件 ...
原文：Qt error ------ 'XXX' has not been declared
頭文件沒加 調用函數者的頭文件在XXX頭文件的下方 ...
2018-03-15 10:52 0 2158 推薦指數：
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