Move Maybe into maybe package
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parent
95d5837e31
commit
bf8e383229
5 changed files with 41 additions and 9 deletions
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@ -19,7 +19,7 @@
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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*/
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package net.kemitix.mon;
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package net.kemitix.mon.maybe;
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import lombok.AccessLevel;
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import lombok.AccessLevel;
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import lombok.RequiredArgsConstructor;
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import lombok.RequiredArgsConstructor;
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@ -39,7 +39,7 @@ import java.util.function.Supplier;
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* @author Paul Campbell (pcampbell@kemitix.net)
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* @author Paul Campbell (pcampbell@kemitix.net)
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*/
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*/
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@RequiredArgsConstructor(access = AccessLevel.PROTECTED)
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@RequiredArgsConstructor(access = AccessLevel.PROTECTED)
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public final class Just<T> implements Maybe<T> {
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final class Just<T> implements Maybe<T> {
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private final T value;
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private final T value;
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@ -19,9 +19,10 @@
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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*/
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package net.kemitix.mon;
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package net.kemitix.mon.maybe;
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import lombok.NonNull;
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import lombok.NonNull;
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import net.kemitix.mon.Functor;
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import java.util.Optional;
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import java.util.Optional;
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import java.util.function.Consumer;
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import java.util.function.Consumer;
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@ -19,7 +19,7 @@
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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*/
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package net.kemitix.mon;
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package net.kemitix.mon.maybe;
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import java.util.Optional;
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import java.util.Optional;
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import java.util.function.Consumer;
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import java.util.function.Consumer;
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@ -34,9 +34,9 @@ import java.util.function.Supplier;
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*
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*
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* @author Paul Campbell (pcampbell@kemitix.net)
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* @author Paul Campbell (pcampbell@kemitix.net)
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*/
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*/
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public final class Nothing<T> implements Maybe<T> {
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final class Nothing<T> implements Maybe<T> {
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protected static final Maybe<?> INSTANCE = new Nothing<>();
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static final Maybe<?> INSTANCE = new Nothing<>();
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@Override
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@Override
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public <R> Maybe<?> map(final Function<T, R> f) {
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public <R> Maybe<?> map(final Function<T, R> f) {
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30
src/main/java/net/kemitix/mon/maybe/package-info.java
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30
src/main/java/net/kemitix/mon/maybe/package-info.java
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@ -0,0 +1,30 @@
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/**
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Paul Campbell
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies
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* or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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* AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* An experiment in creating something similar to a Type-Alias in Java.
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*
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* <p>Ideas initially lifted from the Design with Types series at https://fsharpforfunandprofit.com/</p>
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*
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* @author Paul Campbell (pcampbell@kemitix.net)
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*/
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package net.kemitix.mon.maybe;
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@ -1,5 +1,6 @@
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package net.kemitix.mon;
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package net.kemitix.mon;
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import net.kemitix.mon.maybe.Maybe;
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import org.junit.Test;
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import org.junit.Test;
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import java.util.Objects;
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import java.util.Objects;
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@ -7,9 +8,9 @@ import java.util.Optional;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.function.Predicate;
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import java.util.function.Predicate;
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import static net.kemitix.mon.Maybe.just;
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import static net.kemitix.mon.maybe.Maybe.just;
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import static net.kemitix.mon.Maybe.maybe;
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import static net.kemitix.mon.maybe.Maybe.maybe;
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import static net.kemitix.mon.Maybe.nothing;
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import static net.kemitix.mon.maybe.Maybe.nothing;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.assertj.core.api.Assertions.assertThatCode;
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import static org.assertj.core.api.Assertions.assertThatCode;
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import static org.assertj.core.api.Assertions.assertThatNullPointerException;
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import static org.assertj.core.api.Assertions.assertThatNullPointerException;
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