Interface Function<R>

Type Parameters:
R - Result type
All Known Subinterfaces:
BigDecimalFunction1<T0>, DoubleFunction1<T0>, FloatFunction1<T0>, Function0<R>, Function1<T0,R>, Function2<T0,T1,R>, IntegerFunction1<T0>, LongFunction1<T0>, NullableBigDecimalFunction1<T0>, NullableDoubleFunction1<T0>, NullableFloatFunction1<T0>, NullableIntegerFunction1<T0>, NullableLongFunction1<T0>, Predicate1<T0>, Predicate2<T0,T1>, RelProtoDataType
All Known Implementing Classes:
SparkRuntime.CalciteFlatMapFunction

public interface Function<R>
Base interface for all functions.