如果你在使用C++17或更高版本,并且遇到了“namespace 'std' has no member 'string_view'”的错误,可能是由以下几个原因造成的: 编译器不支持C++17:确保你的编译器支持C++17或更高版本。例如,GCC 7.1及以上版本、Clang 5.0及以上版本、MSVC 2017及以上版本都支持C++17。 未启用C++17标准:在
int main() { std::string dd = "ddd";//会报错namespace "std" has no member "string",因为没有引入string库 } #include<string> int main() { string dd = "ddd";//虽然编译单元包含了string,但是这个string还是找不到,因为string在std中,必须加std::才能找到string std::string dd = "ddd";/...
问题:自己编写的代码没有问题,能够编译和运行,但是vscode一直向我显示错误信息,提示namespace "std" has no member "***"。 解决方案:在VS Code打开c_cpp_properties.json文件,将cStandard和cppStandard改成统一标准:"cStandard": "c11", "cppStandard": "c++11",...
VS code 写 ..如图,总是提示 cin cout 没有声明,说 std 命名空间里没有他们,环境啥的都按教程配好了,也能编译,能调试,就剩这么个小问题了
When I use the std::thread in my code, there will be an error like this: But I can click "go to the declaration" on it, and jump to file "thread" and see the class definiton of thread: I use cygwin environment on Windows, here is my include_path inc_cpp_properties.json: ...
Issue Type: Bug using gcc 9.3.0, the following code states namespace std has no member shared_mutex: #include <shared_mutex> using read_lock = std::shared_lock<std::shared_mutex>; using write_lock = std::unique_lock<std::shared_mutex>; s...
需要加上random的头文件 include <cstdlib>
try5.cpp(166): error: *MIC* namespace "std::this_thread" has no member "sleep_for" std::this_thread::sleep_for(std::chrono::milliseconds(ms)); ^ compilation aborted for try5.cpp (code 2) --- Why do I get a MIC error ? why is icpc confusing between std...
include/libBasexCpp.h:6:25: error:'string'innamespace'std'does not name a type 6 |voidCommand(conststd::string & command); | ^~~~ include/libBasexCpp.h:1:1: note:'std::string'is defined in header'<string>';thisis probably fixable by adding'#include <string>'+++ |+#include...
vscode 提示 namespace “std“ has no member “mutex“ 解决方法 在vscode打开 c_cpp_properties.json,将cStandard和cppStandard改成: "cStandard":"c11","cppStandard":"c++11", 保存,就好了