Function clingo_sys::clingo_model_optimality_proven

pub unsafe extern "C" fn clingo_model_optimality_proven(
    model: *const clingo_model_t, 
    proven: *mut bool
) -> bool

! Whether the optimality of a model has been proven. ! ! @param[in] model the target ! @param[out] proven whether the optimality has been proven ! @return whether the call was successful ! ! @see clingo_model_cost()