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// Copyright Joakim Karlsson & Kim Gräsman 2010-2012.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef IGLOO_NONEOPERATOR_H
#define IGLOO_NONEOPERATOR_H
namespace snowhouse {
struct NoneOperator : public CollectionOperator
{
template <typename ConstraintListType, typename ActualType>
void Evaluate(ConstraintListType& list, ResultStack& result, OperatorStack& operators, const ActualType& actual)
{
unsigned int passed_elements = CollectionConstraintEvaluator<ConstraintListType, ActualType>::Evaluate(*this, list, result, operators, actual);
result.push(passed_elements == 0);
}
};
template<>
struct Stringizer<NoneOperator>
{
static std::string ToString(const NoneOperator&)
{
return "none";
}
};
}
#endif
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