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authorBen Culkin <scorpress@gmail.com>2020-04-07 21:03:53 -0400
committerBen Culkin <scorpress@gmail.com>2020-04-07 21:03:53 -0400
commit002516bd03b2ea3f731c8139c9a5f716902ab702 (patch)
tree4b45260e0b411dd070ae5d2f45e8f2795bf91b79 /base/src/main/java/bjc/utils/data/internals/WrappedLazy.java
parentd6afd99961aacd6ce915629773723cb6c6e145a7 (diff)
Finish remove utils.data
utils.data now lives in the esodata project; not in this one
Diffstat (limited to 'base/src/main/java/bjc/utils/data/internals/WrappedLazy.java')
-rw-r--r--base/src/main/java/bjc/utils/data/internals/WrappedLazy.java83
1 files changed, 0 insertions, 83 deletions
diff --git a/base/src/main/java/bjc/utils/data/internals/WrappedLazy.java b/base/src/main/java/bjc/utils/data/internals/WrappedLazy.java
deleted file mode 100644
index c08e502..0000000
--- a/base/src/main/java/bjc/utils/data/internals/WrappedLazy.java
+++ /dev/null
@@ -1,83 +0,0 @@
-package bjc.utils.data.internals;
-
-import java.util.function.Function;
-import java.util.function.UnaryOperator;
-
-import bjc.utils.data.IHolder;
-import bjc.utils.data.Lazy;
-
-/**
- * A wrapped lazy value.
- *
- * @author Ben Culkin
- * @param <ContainedType>
- * The type of the wrapped value.
- */
-public class WrappedLazy<ContainedType> implements IHolder<ContainedType> {
- /* Held value. */
- private final IHolder<IHolder<ContainedType>> held;
-
- /**
- * Create a new wrapped lazy value.
- *
- * @param wrappedHolder
- * The holder to make lazy.
- */
- public WrappedLazy(final IHolder<ContainedType> wrappedHolder) {
- held = new Lazy<>(wrappedHolder);
- }
-
- /*
- * This has an extra parameter, because otherwise it erases to the same
- * as the public one.
- *
- * This is a case where reified generics would be useful, because then
- * the compiler could know which one we meant without the dummy
- * parameter.
- */
- private WrappedLazy(final IHolder<IHolder<ContainedType>> wrappedHolder,
- @SuppressWarnings("unused") final boolean dummy) {
- held = wrappedHolder;
- }
-
- @Override
- public <BoundType> IHolder<BoundType> bind(final Function<ContainedType, IHolder<BoundType>> binder) {
- final IHolder<IHolder<BoundType>> newHolder = held.map((containedHolder) -> {
- return containedHolder.bind(binder);
- });
-
- return new WrappedLazy<>(newHolder, false);
- }
-
- @Override
- public <NewType> Function<ContainedType, IHolder<NewType>> lift(final Function<ContainedType, NewType> func) {
- return (val) -> {
- return new Lazy<>(func.apply(val));
- };
- }
-
- @Override
- public <MappedType> IHolder<MappedType> map(final Function<ContainedType, MappedType> mapper) {
- final IHolder<IHolder<MappedType>> newHolder = held.map((containedHolder) -> {
- return containedHolder.map(mapper);
- });
-
- return new WrappedLazy<>(newHolder, false);
- }
-
- @Override
- public IHolder<ContainedType> transform(final UnaryOperator<ContainedType> transformer) {
- held.transform((containedHolder) -> {
- return containedHolder.transform(transformer);
- });
-
- return this;
- }
-
- @Override
- public <UnwrappedType> UnwrappedType unwrap(final Function<ContainedType, UnwrappedType> unwrapper) {
- return held.unwrap((containedHolder) -> {
- return containedHolder.unwrap(unwrapper);
- });
- }
-}