5.2.11 Set comparisons

bool contains(const T& v) const;
bool contains(const interval<T>& o) const;
bool overlaps(const interval<T>& o) const;

These functions make set assertions by comparison to an other or value.

contains(const T&)

Determines whether the given value is contained in the current interval.

contains(const interval<T>&)

Determines whether the given interval is fully inside and contained in the current interval.

overlaps(const interval<T>&)

Determines whether the given interval overlaps with the current interval but is not fully contained in the latter.