#ifndef _var_hpp_INCLUDED
#define _var_hpp_INCLUDED
namespace CaDiCaL {
struct Clause;
// This structure captures data associated with an assigned variable.
struct Var {
// Note that none of these members is valid unless the variable is
// assigned. During unassigning a variable we do not reset it.
int level; // decision level
int trail; // trail height at assignment
Clause *reason; // implication graph edge during search
};
} // namespace CaDiCaL
#endif