Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is an older version of Boost and was released in 2022. The current version is 1.89.0.

Class missing_value

Class missing_value

boost::log::missing_value — Exception class that is used to indicate errors of missing values.

Synopsis

// In header: <boost/log/exceptions.hpp>


class missing_value : public runtime_error {
public:
  // construct/copy/destruct
  missing_value();
  explicit missing_value(std::string const &);
  ~missing_value();
};

Description

`missing_value` public construct/copy/destruct

```
missing_value();
```
Default constructor. Creates an exception with the default error message.
```
explicit missing_value(std::string const & descr);
```
Initializing constructor. Creates an exception with the specified error message.
```
~missing_value();
```
Destructor