QT5出现mainwindow.cpp:9:32: error: called object type 'QMenuBar *' is not a function or function pointer - 走看看

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QT5出现mainwindow.cpp:9:32: error: called object type 'QMenuBar *' is not a function or function pointer
QMenuBar *menuBar = menuBar();
原因：变量名与系统内置的重名
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原文地址：https://www.cnblogs.com/BASE64/p/14461816.html

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