Class date_duration

boost::gregorian::date_duration — Durations in days for gregorian system.

Synopsis

// In header: <boost/date_time/gregorian/greg_duration.hpp>


class date_duration : public  {
public:
  // types
  typedef  ;

  // construct/copy/destruct
  ( = );
  ();
  ();

  // public member functions
   () ;
   () ;
   () ;
   () ;
   () ;
   () ;
   ();
   ();
   () ;
   ();

  // public static functions
   ();
};

Description

`date_duration` public construct/copy/destruct

```
( day_count = );
```
Construct from a day count.
```
( sv);
```
construct from special_values
```
( other);
```
Construct from another date_duration.

`date_duration` public member functions

```
 ( rhs) ;
```
```
 ( rhs) ;
```
```
 ( rhs) ;
```
```
 ( rhs) ;
```
```
 ( rhs) ;
```
```
 ( rhs) ;
```
```
 ( rhs);
```
Subtract another duration – result is signed.
```
 ( rhs);
```
Add a duration – result is signed.
```
 () ;
```
unary- Allows for dd = -date_duration(2); -> dd == -2
```
 ( divisor);
```
Division operations on a duration with an integer.

`date_duration` public static functions

```
 ();
```
Returns the smallest duration – used by to calculate 'end'.

Class date_duration

Synopsis

Description

date_duration public construct/copy/destruct

date_duration public member functions

date_duration public static functions

`date_duration` public construct/copy/destruct

`date_duration` public member functions

`date_duration` public static functions