std::expected<T,E>::error
From cppreference.com
| 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.
|
If has_value() is true, the behavior is undefined. |
(until C++26) |
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If has_value() is true:
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(since C++26) |
[edit] Return value
1,2)
unex3,4) std::move(
unex )[edit] Example
| This section is incomplete Reason: no example |
[edit] See also
| returns the unexpected value if present, another value otherwise (public member function) | |
| accesses the expected value (public member function) | |
| returns the expected value (public member function) | |
| checks whether the object contains an expected value (public member function) |
