OperatorFromFunctionals (rxjava-async-util 0.19.4 API)

```
public final class OperatorFromFunctionals
extends java.lang.Object
```
Operators that invoke a function or action if an observer subscribes. Asynchrony can be achieved by using subscribeOn or observeOn.

Methods
Modifier and Type	Method and Description
`static <R> rx.Observable.OnSubscribe<R>`	`fromAction(rx.functions.Action0 action, R result)` Subscriber function that invokes an action and returns the given result.
`static <R> rx.Observable.OnSubscribe<R>`	`fromCallable(java.util.concurrent.Callable<? extends R> callable)` Subscriber function that invokes the callable and returns its value or propagates its checked exception.
`static <R> rx.Observable.OnSubscribe<R>`	`fromRunnable(java.lang.Runnable run, R result)` Subscriber function that invokes a runnable and returns the given result.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

public static <R> rx.Observable.OnSubscribe<R> fromAction(rx.functions.Action0 action,
                                          R result)

Subscriber function that invokes an action and returns the given result.

fromCallable
```
public static <R> rx.Observable.OnSubscribe<R> fromCallable(java.util.concurrent.Callable<? extends R> callable)
```
Subscriber function that invokes the callable and returns its value or propagates its checked exception.

public static <R> rx.Observable.OnSubscribe<R> fromRunnable(java.lang.Runnable run,
                                            R result)

Subscriber function that invokes a runnable and returns the given result.

Class OperatorFromFunctionals