diff options
| author | bculkin2442 <bjculkin@mix.wvu.edu> | 2017-02-09 11:50:31 -0500 |
|---|---|---|
| committer | bculkin2442 <bjculkin@mix.wvu.edu> | 2017-02-09 11:50:31 -0500 |
| commit | d2af58b0f68ebfbba2be7e7679efec6c8c0af12f (patch) | |
| tree | 2b16fbf014db350126e8c1b5f081312276f85f62 /BJC-Utils2/src/main/java/bjc/utils/data/WrappedOption.java | |
| parent | 187e1815488e3c1ed22e7592f304e632cffefb82 (diff) | |
Update
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/data/WrappedOption.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/data/WrappedOption.java | 57 |
1 files changed, 24 insertions, 33 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/WrappedOption.java b/BJC-Utils2/src/main/java/bjc/utils/data/WrappedOption.java index fea4cb9..554eb54 100644 --- a/BJC-Utils2/src/main/java/bjc/utils/data/WrappedOption.java +++ b/BJC-Utils2/src/main/java/bjc/utils/data/WrappedOption.java @@ -10,56 +10,48 @@ class WrappedOption<ContainedType> implements IHolder<ContainedType> { held = new Option<>(seedValue); } - private WrappedOption(IHolder<IHolder<ContainedType>> toHold, - boolean dummy) { + private WrappedOption(IHolder<IHolder<ContainedType>> toHold, boolean dummy) { held = toHold; } - @Override - public <BoundType> IHolder<BoundType> bind( - Function<ContainedType, IHolder<BoundType>> binder) { - IHolder<IHolder<BoundType>> newHolder = held - .map((containedHolder) -> { - return containedHolder.bind((containedValue) -> { - if (containedValue == null) { - return new Option<>(null); - } - - return binder.apply(containedValue); - }); - }); + @Override public <BoundType> IHolder<BoundType> bind(Function<ContainedType, IHolder<BoundType>> binder) { + IHolder<IHolder<BoundType>> newHolder = held.map((containedHolder) -> { + return containedHolder.bind((containedValue) -> { + if (containedValue == null) { + return new Option<>(null); + } + + return binder.apply(containedValue); + }); + }); return new WrappedOption<>(newHolder, false); } @Override - public <NewType> Function<ContainedType, IHolder<NewType>> lift( - Function<ContainedType, NewType> func) { + public <NewType> Function<ContainedType, IHolder<NewType>> lift(Function<ContainedType, NewType> func) { return (val) -> { return new Option<>(func.apply(val)); }; } @Override - public <MappedType> IHolder<MappedType> map( - Function<ContainedType, MappedType> mapper) { - IHolder<IHolder<MappedType>> newHolder = held - .map((containedHolder) -> { - return containedHolder.map((containedValue) -> { - if (containedValue == null) { - return null; - } - - return mapper.apply(containedValue); - }); - }); + public <MappedType> IHolder<MappedType> map(Function<ContainedType, MappedType> mapper) { + IHolder<IHolder<MappedType>> newHolder = held.map((containedHolder) -> { + return containedHolder.map((containedValue) -> { + if (containedValue == null) { + return null; + } + + return mapper.apply(containedValue); + }); + }); return new WrappedOption<>(newHolder, false); } @Override - public IHolder<ContainedType> transform( - UnaryOperator<ContainedType> transformer) { + public IHolder<ContainedType> transform(UnaryOperator<ContainedType> transformer) { held.transform((containedHolder) -> { return containedHolder.transform((containedValue) -> { if (containedValue == null) { @@ -74,8 +66,7 @@ class WrappedOption<ContainedType> implements IHolder<ContainedType> { } @Override - public <UnwrappedType> UnwrappedType unwrap( - Function<ContainedType, UnwrappedType> unwrapper) { + public <UnwrappedType> UnwrappedType unwrap(Function<ContainedType, UnwrappedType> unwrapper) { return held.unwrap((containedHolder) -> { return containedHolder.unwrap((containedValue) -> { if (containedValue == null) { |
