Package org.apache.calcite.linq4j.function

Interface NullableLongFunction1<T0>

Type Parameters:

T0 - Type of argument #0

All Superinterfaces:

Function<T0>, Function1<T0,Long>

public interface NullableLongFunction1<T0>
extends Function1<T0,Long>

Function that takes one parameter and returns a Long value that may be null.

Field Summary

Fields inherited from interface org.apache.calcite.linq4j.function.Function1

IDENTITY

Method Summary

Methods inherited from interface org.apache.calcite.linq4j.function.Function1

apply