io.reactivex.rxjava3.functions

Interface Function

Type Parameters:

T - the input value type

R - the output value 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 Function

A functional interface that takes a value and returns another value, possibly with a different type and allows throwing a checked exception.

Method Summary

Modifier and Type	Method and Description
R	apply(T t) Apply some calculation to the input value and return some other value.

Method Detail

apply

R apply(T t)
 throws Throwable

Apply some calculation to the input value and return some other value.

Parameters:

t - the input value

Returns:

the output value

Throws:

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