Type Parameters:

T - the input value type

R - the output value type

All Known Implementing Classes:

ArrayListSupplier, FlowableCombineLatest.SingletonArrayFunc, FlowableInternalHelper.FlatMapIntoIterable, FlowableInternalHelper.FlatMapWithCombinerInner, FlowableInternalHelper.FlatMapWithCombinerOuter, FlowableInternalHelper.ItemDelayFunction, FlowableWithLatestFromMany.SingletonArrayFunc, Functions.Array2Func, Functions.Array3Func, Functions.Array4Func, Functions.Array5Func, Functions.Array6Func, Functions.Array7Func, Functions.Array8Func, Functions.Array9Func, Functions.CastToClass, Functions.Identity, Functions.JustValue, Functions.ListSorter, Functions.TimestampFunction, MaybeToPublisher, MaybeZipArray.SingletonArrayFunc, MaybeZipIterable.SingletonArrayFunc, ObservableInternalHelper.FlatMapIntoIterable, ObservableInternalHelper.FlatMapWithCombinerInner, ObservableInternalHelper.FlatMapWithCombinerOuter, ObservableInternalHelper.ItemDelayFunction, ObservableInternalHelper.MapToInt, ObservableWithLatestFromMany.SingletonArrayFunc, SchedulerPoolFactory.SystemPropertyAccessor, SchedulerWhen.CreateWorkerFunction, SingleInternalHelper.ToFlowable, SingleZipArray.SingletonArrayFunc, SingleZipIterable.SingletonArrayFunc, SorterFunction

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<@NonNull T,@NonNull R>
```
A functional interface that takes a value and returns another value, possibly with a different type and allows throwing a checked exception.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  R apply(@NonNull T t)
  Apply some calculation to the input value and return some other value.

- Method Detail
  - apply
```
R apply(@NonNull T t)
 throws java.lang.Throwable
```
    Apply some calculation to the input value and return some other value.
    
    Parameters:
    
    t - the input value
    
    Returns:
    
    the output value
    
    Throws:
    
    java.lang.Throwable - if the implementation wishes to throw any type of exception

Interface Function<T,​R>

Method Summary

Method Detail

apply

Interface Function<T,R>