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35 #ifndef LANG_MOD_EDGE_H
36 #define LANG_MOD_EDGE_H
51 virtual int ClassID()
const = 0;
53 virtual bool IsRoot()
const = 0;
55 virtual void SetRoot(
bool flag) = 0;
57 virtual bool IsEOW()
const = 0;
59 virtual bool IsOOD()
const = 0;
63 virtual unsigned int Hash()
const = 0;
73 #endif // LANG_MOD_EDGE_H