Function CheckNotNull

catboost/node-package/src/api_helpers.h:28–30

// Checks if the pointer is not null, throws JS exception otherwise.
template <typename T>
inline bool CheckNotNull(Napi::Env env, T* ptr, const std::string& message) {
    return Check(env, ptr != nullptr, message);
}

// Checks that the model handle is not null. As this should never be the case throws internal error.
inline bool CheckNotNullHandle(Napi::Env env, ModelCalcerHandle* handle) {