Error stoi was not declared in this scope

时间 2020-12-21

标签 waring解决 c++ 栏目 C&C++ 繁體版

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[Error] ‘stoi’ was not declared in this scope 一般是DEV没有设置C++11的编译环境：设置步骤：工具-> 编译选项 -> 加入-std=c++11; 然后点击代码生成/优化-> 代码生成 -> 在标准语言中选择ISO C++11。 PS：如果你依旧还没有解决话，可能是你的DEV版本的问题。比如我这个版本的是蓝桥竞赛的版本，有些函数不能用。这

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1. [Error] 'sort' was not declared in this scope
2. [Error] 'to_string' was not declared in this scope
3. error: 'system' was not declared in this scope
4. error: ‘nullptr‘ was not declared in this scope @FDDLC
5. 关于Code::Blocks编译出现'stoi' was not declared in this scope
6. Error | ‘gets’ was not declared in this scope gets(s)之解决办法
7. 编译错误：error: 'nullptr' was not declared in this scope
8. openvino CMake编译错误 error: ‘CV_RGB’ was not declared in this scope
9. sitl_gazebo/include/gazebo_opticalflow_plugin.h:43:18: error: ‘TRUE’ was not declared in this scope
10. C++ shared_ptr 编译 error ‘shared_ptr’ was not declared in this scope修复

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