std::expected<T,E>::error_or

Returns the unexpected value if it exists, otherwise returns default_value.

# Declarations

template< class G = E >
constexpr E error_or( G&& default_value ) const&;

(since C++23)

template< class G = E >
constexpr E error_or( G&& default_value ) &&;

(since C++23)

# Parameters

• default_value: the value to use in case *this does not contain an unexpected value

# Example

This section is incompleteReason: no example

# See also

• error