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#pragma once
#include "moses/FF/FFState.h"
#include "SVertex.h"
namespace Moses
{
namespace Syntax
{
class SVertexRecombinationHasher
{
public:
std::size_t operator()(const SVertex *v) const {
std::size_t seed = 0;
for (std::vector<FFState*>::const_iterator p = v->states.begin();
p != v->states.end(); ++p) {
boost::hash_combine(seed, (*p)->hash());
}
return seed;
}
};
} // Syntax
} // Moses
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