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

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

@NonNull
R apply(@NonNull
                 T1 t1,
                 @NonNull
                 T2 t2,
                 @NonNull
                 T3 t3,
                 @NonNull
                 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