Definition of a new collection class

###### Header file MyPackage_SequenceOfPnt.hxx:

// ---------------------- Template class instantiaton --------------

#include <NCollection_Sequence.hxx>

#include <gp_Pnt.hxx>

typedef NCollection_Sequence<gp_Pnt> MyPackage_SequenceOfPnt;

// ---------------------- Macro instantiaton -----------------------

#include <NCollection_DefineSequence.hxx>

#include <gp_Pnt.hxx>

// The following line defines the class "base collection of points"

DEFINE_BASECOLLECTION(MyPackage_BaseCollPnt, gp_Pnt)

// The following line defines the class MyPackage_SequenceOfPnt

DEFINE_SEQUENCE (MyPackage_SequenceOfPnt, MyPackage_BaseCollPnt , gp_Pnt)