selectOne

suspend fun <R : Any> DataSet<*>.selectOne(type: KType, name: Name): NamedData<R>?

Select a single datum if it is present and of given type

inline suspend fun <R : Any> DataSet<*>.selectOne(name: Name): NamedData<R>?
inline suspend fun <R : Any> DataSet<*>.selectOne(name: String): NamedData<R>?