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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_NOTEXPRESSION_H
#define IGLOO_NOTEXPRESSION_H
#include "./expression_fwd.h"
namespace snowhouse {
template< typename ExpressionType >
struct NotExpression : Expression< NotExpression<ExpressionType> >
{
NotExpression(const ExpressionType& expression)
: m_expression(expression)
{
}
template<typename ActualType>
bool operator()(const ActualType& actual) const
{
return !m_expression(actual);
}
ExpressionType m_expression;
};
template< typename ExpressionType >
struct Stringizer< NotExpression<ExpressionType> >
{
static std::string ToString(const NotExpression<ExpressionType>& expression)
{
std::ostringstream builder;
builder << "not " << snowhouse::Stringize(expression.m_expression);
return builder.str();
}
};
}
#endif
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