Class template years_duration

Boost C++ Libraries

Class template years_duration

boost::date_time::years_duration — additional duration type that represents a logical year

Synopsis

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

template<typename base_config> 
class years_duration {
public:

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

Description

A logical year enables things like: "date(2002,Mar,2) + years(2) -> 2004-Mar-2". If the date is a last day-of-the-month, the result will also be a last-day-of-the-month (ie date(2001-Feb-28) + years(3) -> 2004-Feb-29).

`years_duration` public member functions

```
( num);
```
```
( sv);
```
```
 () ;
```
```
 ( d) ;
```
returns a negative duration
```
 ( d) ;
```
```
 ( rhs) ;
```
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 ( rhs) ;
```
```
 ( rhs) ;
```
```
 ( rhs);
```
```
 ( rhs) ;
```
```
 ( rhs);
```
```
 ( rhs) ;
```
```
 ( rhs);
```
```
 ( rhs) ;
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```
 ( rhs);
```
```
 ( m) ;
```
```
 ( m) ;
```