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std::expected::error(3) C++ Standard Libary std::expected::error(3) NAME std::expected::error - std::expected::error Synopsis constexpr const E& error() const& noexcept; (1) (since C++23) constexpr E& error() & noexcept; (2) (since C++23) constexpr const E&& error() const&& noexcept; (3) (since C++23) constexpr E&& error() && noexcept; (4) (since C++23) Accesses the unexpected value contained in *this. The behavior is undefined if this->has_value() is true. Parameters (none) Return value Reference to the unexpected value contained in *this. Example This section is incomplete Reason: no example See also operator-> accesses the expected value operator* (public member function) value returns the expected value (public member function) operator bool checks whether the object contains an expected value has_value (public member function) Category: * Todo no example http://cppreference.com 2024.06.10 std::expected::error(3)
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