predicates.h

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#ifndef PREDICATES_H
#define PREDICATES_H
 
#include "bitrl/bitrl_types.h"
 
namespace bitrl
{
 
struct NotNull
{
 
    NotNull() {}
 
    template <typename ITERATOR> bool operator()(const ITERATOR *itr) const
    {
        return itr != nullptr;
    }
};
 
struct IsActive
{
 
    IsActive() {}
    template <typename ITERATOR> bool operator()(const ITERATOR *itr) const
    {
        return itr->is_active();
    }
};
 
struct ActiveBoundaryObject
{
 
    ActiveBoundaryObject() {}
 
    template <typename ITERATOR> bool operator()(const ITERATOR *itr) const
    {
 
        return (itr->is_active() && itr->on_boundary());
    }
};
 
} // namespace bitrl
#endif