std::exception 在标头<exception>定义 classexception; 提供一致的接口,以通过throw 表达式处理错误。 标准库所生成的所有异常都继承自std::exception。 std::exception的所有成员函数均为constexpr。 (C++26 起) 成员函数 (构造函数) 构造异常对象 (公开成员函数) ...
p - 非空std::exception_ptr 异常若不创建副本,则为 p 所引用的异常对象。 否则,若实现成功复制异常对象,则为这种异常对象的副本。 否则,若分配或复制失败,则分别为 std::bad_alloc 或复制异常对象时抛出的异常。 注解在P1675R2 前,rethrow_exception 未被允许复制异常对象,这在一些异常对象分配在栈上的...
std::exception:: std::exception::what From cppreference.com <cpp |error |exception C++ Returns the explanatory string. Parameters (none) Return value Pointer to a null-terminated string with explanatory information. The pointer is guaranteed to be valid at least until the exception object...
(conststd::string&s){try{std::ifstreamfile(s);file.exceptions(std::ios_base::failbit);}catch(...){std::throw_with_nested(std::runtime_error("Couldn't open "+s));}}// sample function that catches an exception and wraps it in a nested exceptionvoidrun(){try{open_file("non...
现在执行3.结果并没有捕获到std::bad_exception异常.而是仍然出现了这样的错误提示: terminate called after throwing an instance of 'E2' 忽略 同样的的例子,上面是在linux下执行的情况.下面换做vs2003的vc7.执行3,结果是: unknown exception occured
If the call fails, throws an exception. InitializeFailFast function Calls MddBootstrapInitialize to initialize the calling process to use the specified version of the Windows App SDK's framework package. If the call fa...
If the call fails, throws an exception. InitializeFailFast function Calls MddBootstrapInitialize to initialize the calling process to use the specified version of the Windows App SDK's framework package. If the call fa...
If the call fails, throws an exception. InitializeFailFast function Calls MddBootstrapInitialize to initialize the calling process to use the specified version of the Windows App SDK's framework package. If the call fai...
manages exception mask (of std::basic_ios função pública membro) [edit] imbue define a localidade Original: sets the locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (of std::basic_io...
{} // 注意是 void,只是调用 // 协程结束时调用 std::suspend_always final_suspend() noexcept { return {}; } // 其他 // 抛异常时调用 void unhandled_exception() {} // co_yield expr 等价于 co_await promise.yield_value(expr) template <typename From> std::suspend_always yield_value(From...