Move Maybe into maybe package

src/main/java/net/kemitix/mon/maybe/Just.java

@@ -19,7 +19,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-package net.kemitix.mon;
+package net.kemitix.mon.maybe;
 
 import lombok.AccessLevel;
 import lombok.RequiredArgsConstructor;
@@ -39,7 +39,7 @@ import java.util.function.Supplier;
  * @author Paul Campbell (pcampbell@kemitix.net)
  */
 @RequiredArgsConstructor(access = AccessLevel.PROTECTED)
-public final class Just<T> implements Maybe<T> {
+final class Just<T> implements Maybe<T> {
 
     private final T value;
 

src/main/java/net/kemitix/mon/maybe/Maybe.java

@@ -19,9 +19,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-package net.kemitix.mon;
+package net.kemitix.mon.maybe;
 
 import lombok.NonNull;
+import net.kemitix.mon.Functor;
 
 import java.util.Optional;
 import java.util.function.Consumer;

src/main/java/net/kemitix/mon/maybe/Nothing.java

@@ -19,7 +19,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-package net.kemitix.mon;
+package net.kemitix.mon.maybe;
 
 import java.util.Optional;
 import java.util.function.Consumer;
@@ -34,9 +34,9 @@ import java.util.function.Supplier;
  *
  * @author Paul Campbell (pcampbell@kemitix.net)
  */
-public final class Nothing<T> implements Maybe<T> {
+final class Nothing<T> implements Maybe<T> {
 
-    protected static final Maybe<?> INSTANCE = new Nothing<>();
+    static final Maybe<?> INSTANCE = new Nothing<>();
 
     @Override
     public <R> Maybe<?> map(final Function<T, R> f) {

src/main/java/net/kemitix/mon/maybe/package-info.java

@@ -0,0 +1,30 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Paul Campbell
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies
+ * or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+ * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * An experiment in creating something similar to a Type-Alias in Java.
+ *
+ * <p>Ideas initially lifted from the Design with Types series at https://fsharpforfunandprofit.com/</p>
+ *
+ * @author Paul Campbell (pcampbell@kemitix.net)
+ */
+
+package net.kemitix.mon.maybe;

src/test/java/net/kemitix/mon/MaybeTest.java

@@ -1,5 +1,6 @@
 package net.kemitix.mon;
 
+import net.kemitix.mon.maybe.Maybe;
 import org.junit.Test;
 
 import java.util.Objects;
@@ -7,9 +8,9 @@ import java.util.Optional;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Predicate;
 
-import static net.kemitix.mon.Maybe.just;
+import static net.kemitix.mon.maybe.Maybe.just;
-import static net.kemitix.mon.Maybe.maybe;
+import static net.kemitix.mon.maybe.Maybe.maybe;
-import static net.kemitix.mon.Maybe.nothing;
+import static net.kemitix.mon.maybe.Maybe.nothing;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.assertj.core.api.Assertions.assertThatNullPointerException;