std::expected<T,E>::value_or
Min standard notice:
Returns the expected value if it exists, otherwise returns default_value.
# Declarations
Primary template
template< class U >
constexpr T value_or( U&& default_value ) const&;
(since C++23)
template< class U >
constexpr T value_or( U&& default_value ) &&;
(since C++23)
# Parameters
default_value: the value to use in case *this does not contain an expected value
# Example
This section is incompleteReason: no example