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std::make_exception_ptr

STD：使[医]例外[医]PTR

Defined in header ​​
template< class E > std::exception_ptr make_exception_ptr( E e ​(since C++11)

创建std::exception_ptr的副本的引用。e这就像执行以下代码一样：

二次

try {
    throw e;
} catch(...) {
    return std::current_exception(
}

二次

参数

%280%29

返回值

的实例std::exception_ptr保存对e的实例std::bad_alloc的实例std::bad_exception28%见std::current_exception29%。

例外

noexcept规格：

noexcept

注记

该参数是通过值传递的，并受切片的限制。

另见

current_exception (C++11)captures the current exception in a std::exception_ptr (function)

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