one.xingyi.optics

Interface IOptional<Main,Child>

All Superinterfaces:

IFold<Main,Child>, ITraversal<Main,Child>

All Known Subinterfaces:

IISO<Main,Child>, ILens<Main,Child>

public interface IOptional<Main,Child>
extends ITraversal<Main,Child>

Method Summary

Modifier and Type	Method and Description
<GrandChild> IOptional<Main,GrandChild>	chainOptional(IOptional<Child,GrandChild> t)
<Merged,Child2> IOptional<Main,Merged>	merge(IOptional<Main,Child2> other, IISO<Tuple2<Child,Child2>,Merged> iso)
static <Main,Child> IOptional<Main,Child>	of(Function<Main,Optional<Child>> optGetFn, BiFunction<Main,Child,Optional<Main>> optSetFn)
Optional<Child>	optGet(Main main)
Optional<Main>	optSet(Main main, Child child)

Methods inherited from interface one.xingyi.optics.ITraversal

andThen, chainTraversal, filter, forEach, fromCollectionLens, fromListLens, fromStreamLens, listTraversal, modify, of

Methods inherited from interface one.xingyi.optics.IFold

all, allAsList, chainFold, collectionFold, lastN, map, merge, of, ofWithoutNulls, unique

Method Detail

of

static <Main,Child> IOptional<Main,Child> of(Function<Main,Optional<Child>> optGetFn,
                                             BiFunction<Main,Child,Optional<Main>> optSetFn)

optGet

Optional<Child> optGet(Main main)

optSet

Optional<Main> optSet(Main main,
                      Child child)

chainOptional

<GrandChild> IOptional<Main,GrandChild> chainOptional(IOptional<Child,GrandChild> t)

merge

<Merged,Child2> IOptional<Main,Merged> merge(IOptional<Main,Child2> other,
                                             IISO<Tuple2<Child,Child2>,Merged> iso)