word_index.hh
// Separate header because this is used often.
#ifndef LM_WORD_INDEX_H
#define LM_WORD_INDEX_H
#include <climits>
namespace lm {
typedef unsigned int WordIndex;
const WordIndex kMaxWordIndex = UINT_MAX;
const WordIndex kUNK = 0;
} // namespace lm
typedef lm::WordIndex LMWordIndex;
#endif