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## CGAL::Interval_skip_list_interval<Value>

### Definition

The class Interval_skip_list_interval<Value> represents intervals with lower and upper bound of type Value. These intervals can be opened or closed at each endpoint.

#include <CGAL/Interval_skip_list_interval.h>

### Creation

Interval_skip_list_interval<Value> i;
| Default constructor.
Interval_skip_list_interval<Value> i ( | Value i, Value s, bool ic = true, bool uc = true);
| Constructs the interval with infimum i and supremum s. The arguments ic and uc have value true, iff the interval is closed at the lower and upper bound, respectively.

### Operations

bool | i.inf_closed () | returns true, iff the interval is closed at the lower bound.
bool | i.sup_closed () | returns true, iff the interval is closed at the upper bound.

### I/O

The output operator is defined for std::ostream.

ostream& | ostream& os << Interval_skip_list_interval<V> i
|  | Inserts the interval i into the stream os. Precondition: The output operator for Value is defined.

### Is Model for the Concept

Interval

Next: Level_interval<FaceHandle>

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The CGAL Project . Tue, December 21, 2004 .