src/main/java/io/reactivex/Maybe.java
@CheckReturnValue
    @NonNull
    @SchedulerSupport(SchedulerSupport.NONE)
    public final <R> R to(Function<? super Maybe<T>, R> convert) {
        try {
            return ObjectHelper.requireNonNull(convert, "convert is null").apply(this);
        } catch (Throwable ex) {
            Exceptions.throwIfFatal(ex);
            throw ExceptionHelper.wrapOrThrow(ex);
        }
    }
@CheckReturnValue
    @NonNull
    @SchedulerSupport(SchedulerSupport.NONE)
    public final <R> R to(Function<? super Maybe<T>, R> convert) {
        try {
            return ObjectHelper.requireNonNull(convert, "convert is null").apply(this);
        } catch (Throwable ex) {
            Exceptions.throwIfFatal(ex);
            throw ExceptionHelper.wrapOrThrow(ex);
        }
    }
@ CheckReturnValue @ NonNull @ SchedulerSupport ( SchedulerSupport . NONE ) public final < R > R to ( Function < ? super Maybe < T > , R > convert ) { try { return ObjectHelper . requireNonNull ( convert , "convert is null" ) . apply ( this ) ; } catch ( Throwable ex ) { Exceptions . throwIfFatal ( ex ) ; throw ExceptionHelper . wrapOrThrow ( ex ) ; } }
Calls the specified converter function with the current Maybe instance
during assembly time and returns its result.
<dl>
<dt><b>Scheduler:</b></dt>
<dd>{@code to} does not operate by default on a particular {@link Scheduler}.</dd>
</dl>
@param <R> the result type
@param convert the function that is called with the current Maybe instance during
assembly time that should return some value to be the result

@return the value returned by the convert function
Calls the specified converter function with the current Maybe instance during assembly time and returns its result . <dl > <dt > <b > Scheduler : < / b > < / dt > <dd > { @code to } does not operate by default on a particular { @link Scheduler } . < / dd > < / dl > @param <R > the result type @param convert the function that is called with the current Maybe instance during assembly time that should return some value to be the result