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bad-optional-access-class.md

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description Learn more about: bad_optional_access Class
title bad_optional_access Class
ms.date 08/06/2019
f1_keywords
optional/std::bad_optional_access

bad_optional_access Class

Defines the type of objects thrown as exceptions to report the situation where an attempt is made to access the value of an optional object that doesn't contain a value.

Syntax

class bad_optional_access : public exception
{
public:
    bad_optional_access() noexcept;
    bad_optional_access(const bad_optional_access&) noexcept;
    bad_optional_access& operator=(const bad_optional_access&) noexcept;
    const char* what() const noexcept override;
};

See also

<optional>
optional class