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#pragma once
#include <utility>
#include <vector>
namespace Moses
{
namespace Syntax
{
namespace S2T
{
/* Lattice in which a full path corresponds to the tail of a PHyperedge.
* For an entry x[i][j][k][l] in a TailLattice x:
*
* i = offset from start of rule pattern
*
* j = index of gap + 1 (zero indicates a terminal, otherwise the index is
* zero-based from the left of the rule pattern)
*
* k = arc width
*
* l = label index (zero for terminals, otherwise as in RuleTrieScope3::Node)
*/
typedef std::vector<
std::vector<
std::vector<
std::vector<const PVertex *> > > > TailLattice;
} // namespace S2T
} // namespace Syntax
} // namespace Moses
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