Method init

gecode/int/var-imp/int.hpp:431–434

  IntVarImpFwd::IntVarImpFwd(const IntVarImp* x)
    : p(nullptr), c(x->ranges_fwd()) {}
  forceinline void
  IntVarImpFwd::init(const IntVarImp* x) {
    p=nullptr; c=x->ranges_fwd();
  }

  forceinline bool
  IntVarImpFwd::operator ()(void) const {