Class template day_calc_dst_rule

Boost C++ Libraries

Class template day_calc_dst_rule

boost::date_time::day_calc_dst_rule — Canonical form for a class that provides day rule calculation.

Synopsis

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

template<typename spec> 
class day_calc_dst_rule :
  public boost::date_time::dst_day_calc_rule< spec::date_type >
{
public:
  // types
  typedef spec::date_type      date_type; 
  typedef date_type::year_type year_type; 
  typedef spec::start_rule     start_rule;
  typedef spec::end_rule       end_rule;  

  // construct/copy/destruct
  day_calc_dst_rule(start_rule, end_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

This class is used to generate specific sets of dst rules

`day_calc_dst_rule` public construct/copy/destruct

day_calc_dst_rule(start_rule dst_start, end_rule dst_end);

`day_calc_dst_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;
```