io.reactivex.rxjava3.functions

Interface Function4<T1,T2,T3,T4,R>

Type Parameters:

T1 - the first value type

T2 - the second value type

T3 - the third value type

T4 - the fourth value type

R - the result type

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface Function4<T1,T2,T3,T4,R>

A functional interface (callback) that computes a value based on multiple input values.

Method Summary

Modifier and Type	Method and Description
R	apply(T1 t1, T2 t2, T3 t3, T4 t4) Calculate a value based on the input values.

Method Detail

apply

R apply(T1 t1,
        T2 t2,
        T3 t3,
        T4 t4)
 throws Throwable

Calculate a value based on the input values.

Parameters:

t1 - the first value

t2 - the second value

t3 - the third value

t4 - the fourth value

Returns:

the result value

Throws:

Throwable - if the implementation wishes to throw any type of exception