Make nullable lists more sane, update JEP reference

README.md

@@ -1,6 +1,6 @@
 # Gatherers4j
 
-A library of useful [Stream Gatherers](https://openjdk.org/jeps/473) (custom intermediate operations) for Java 23+.
+A library of useful [Stream Gatherers](https://openjdk.org/jeps/485) (custom intermediate operations) for Java 23+.
 
 # Installing
 

src/main/java/com/ginsberg/gatherers4j/GathererUtils.java

@@ -17,21 +17,10 @@
 
 import org.jspecify.annotations.Nullable;
 
-import java.util.ArrayList;
-import java.util.List;
-
 abstract class GathererUtils {
 
     final static long NANOS_PER_MILLISECOND = 1_000_000;
 
-
-    static <INPUT> List<INPUT> listOfNullables(final @Nullable INPUT left, final @Nullable INPUT right) {
-        final List<INPUT> list = new ArrayList<>();
-        list.add(left);
-        list.add(right);
-        return list;
-    }
-
     static void mustNotBeNull(final @Nullable Object subject, final String message) {
         if (subject == null) {
             throw new IllegalArgumentException(message);

src/main/java/com/ginsberg/gatherers4j/ZipWithNextGatherer.java

@@ -18,12 +18,11 @@
 
 import org.jspecify.annotations.Nullable;
 
+import java.util.Arrays;
 import java.util.List;
 import java.util.function.Supplier;
 import java.util.stream.Gatherer;
 
-import static com.ginsberg.gatherers4j.GathererUtils.listOfNullables;
-
 public class ZipWithNextGatherer<INPUT extends @Nullable Object>
         implements Gatherer<INPUT, ZipWithNextGatherer.State<INPUT>, List<INPUT>> {
 
@@ -42,7 +41,7 @@ public Integrator<State<INPUT>, INPUT, List<INPUT>> integrator() {
             if (!state.hasValue) {
                 state.hasValue = true;
             } else {
-                downstream.push(listOfNullables(state.value, element));
+                downstream.push(Arrays.asList(state.value, element));
             }
             state.value = element;
             return !downstream.isRejecting();

src/test/java/com/ginsberg/gatherers4j/GathererUtilsTest.java

@@ -19,9 +19,9 @@
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 
+import java.util.Arrays;
 import java.util.List;
 
-import static com.ginsberg.gatherers4j.GathererUtils.listOfNullables;
 import static com.ginsberg.gatherers4j.GathererUtils.mustNotBeNull;
 import static org.assertj.core.api.Assertions.*;
 
@@ -37,7 +37,7 @@ void containsNulls() {
             final String right = null;
 
             // Act
-            final List<String> output = listOfNullables(left, right);
+            final List<String> output = Arrays.asList(left, right);
 
             // Assert
             assertThat(output).isNotNull().hasSize(2).containsExactly(left, right);
@@ -50,7 +50,7 @@ void containsNonNulls() {
             final String right = "B";
 
             // Act
-            final List<String> output = listOfNullables(left, right);
+            final List<String> output = Arrays.asList(left, right);
 
             // Assert
             assertThat(output).isNotNull().hasSize(2).containsExactly(left, right);

src/test/java/com/ginsberg/gatherers4j/ZipWithNextGathererTest.java

@@ -18,10 +18,10 @@
 
 import org.junit.jupiter.api.Test;
 
+import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Stream;
 
-import static com.ginsberg.gatherers4j.GathererUtils.listOfNullables;
 import static org.assertj.core.api.Assertions.assertThat;
 
 class ZipWithNextGathererTest {
@@ -60,9 +60,9 @@ void zipWithNextIncludingNulls() {
         // Assert
         assertThat(output)
                 .containsExactly(
-                        listOfNullables("A", null),
-                        listOfNullables(null, "C"),
-                        listOfNullables("C", null)
+                        Arrays.asList("A", null),
+                        Arrays.asList(null, "C"),
+                        Arrays.asList("C", null)
                 );
     }