Error：'emit' was not declared in this scope

Qt編譯時報錯：

error: ‘emit’ was not declared in this scope; did you mean ‘exit’?
  9 |     emit Button->clicked();
      |     ^~~~
      |     exit

這是因爲在pro工程文件中添加了：

CONFIG += no_keywords

解決該報錯，可以使用Q_EMIT 替換 emit

類似的，使用Q_SLOTS來替換slot。

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參考鏈接：
https://stackoverflow.com/questions/48609640/qt-compiler-error-emit-was-not-declared-in-this-scope?answertab=votes