error: ‘nullptr‘ was not declared in this scope @FDDLC

时间 2020-12-21

标签 C++教程栏目 C&C++ 繁體版

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问题描述：error: 'nullptr' was not declared in this scope 如图：从上图可知，nullptr是C++11的关键字！怎么办？换到C++11以上呗！以Code::Blocks为例，找到Settings->Compiler：点击进入后勾选这两个：点击OK完事！回到项目，要不run一下？建议先rebuild一下(Ctr+F11)，然后再运行(F9)

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1. 编译错误：error: 'nullptr' was not declared in this scope
2. DEV C++中[Error] 'nullptr' was not declared in this scope
3. Qt下编译报错：error: 'nullptr' was not declared in this scope
4. [Error] 'sort' was not declared in this scope
5. [Error] 'to_string' was not declared in this scope
6. error: 'system' was not declared in this scope
7. Error stoi was not declared in this scope
8. Error | ‘gets’ was not declared in this scope gets(s)之解决办法
9. openvino CMake编译错误 error: ‘CV_RGB’ was not declared in this scope
10. sitl_gazebo/include/gazebo_opticalflow_plugin.h:43:18: error: ‘TRUE’ was not declared in this scope

>>更多相关文章<<