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 the documentation for an old version of Boost. Click here to view this page for the latest version.

Class template dst_day_calc_rule

boost::date_time::dst_day_calc_rule — Defines base interface for calculating start and end date of daylight savings.

Synopsis

// In header: <boost/date_time/dst_transition_generators.hpp>

template<typename date_type> 
class dst_day_calc_rule {
public:
  // types
  typedef date_type::year_type year_type;

  // construct/copy/destruct
  ~dst_day_calc_rule();

  // public member functions
  date_type start_day(year_type) const;
  std::string start_rule_as_string() const;
  date_type end_day(year_type) const;
  std::string end_rule_as_string() const;
};

Description

`dst_day_calc_rule` public construct/copy/destruct

```
~dst_day_calc_rule();
```

`dst_day_calc_rule` public member functions

```
date_type start_day(year_type y) const;
```

std::string start_rule_as_string() const;

```
date_type end_day(year_type y) const;
```
```
std::string end_rule_as_string() const;
```