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## Class template wrapping_int

boost::date_time::wrapping_int —

A wrapping integer used to support time durations.

## Synopsis

    template<typename int_type_, int_type_ wrap_val>
    class wrapping_int {
    public:
      // types
      typedef int_type_ int_type;

      // construct/copy/destruct
      wrapping_int(int_type);

      // public member functions
      int_type as_int() const;
      operator int_type() const;
      int_type add(int_type) ;
      int_type subtract(int_type) ;

      // public static functions
      int_type wrap_value() ;
    };

## Description

In composite date and time types this type is used to wrap at the day boundary.

### `wrapping_int` construct/copy/destruct

1.     wrapping_int(int_type v);

   Add, return true if wrapped.

### `wrapping_int` public member functions

1.     int_type as_int() const;

   Explicit converion method.

2.     operator int_type() const;

3.     int_type add(int_type v) ;

4.     int_type subtract(int_type v) ;

### `wrapping_int` public static functions

1.     int_type wrap_value() ;

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