kernel/functor.h

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/**
 *  \file IMP/kernel/functor.h    \brief Various important functionality
 *                                       for implementing decorators.
 *
 *  Copyright 2007-2014 IMP Inventors. All rights reserved.
 *
 */

#ifndef IMPKERNEL_FUNCTOR_H
#define IMPKERNEL_FUNCTOR_H

#include <IMP/kernel/kernel_config.h>
#include "internal/functors.h"

IMPKERNEL_BEGIN_NAMESPACE

//! Return a functor that returns true when the predicate has a certain value.
template <class Pred>
inline internal::PredicateEquals<Pred, true> make_predicate_equal(const Pred *p,
                                                                  Model *m,
                                                                  int value) {
  return internal::PredicateEquals<Pred, true>(p, m, value);
}

//! Return a functor that returns true when the predicate doesn't have
//! a certain value.
template <class Pred>
inline internal::PredicateEquals<Pred, false> make_predicate_not_equal(
    const Pred *p, Model *m, int value) {
  return internal::PredicateEquals<Pred, false>(p, m, value);
}

IMPKERNEL_END_NAMESPACE

#endif /* IMPKERNEL_FUNCTOR_H */