table of contents
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
2024.06.10 | http://cppreference.com |