Add support for the pullAt().

Author: javadev

lodash-plugin/src/main/java/com/github/underscore/lodash/$.java

@@ -87,6 +87,10 @@ public Chain<List<?>> flattenDeep() {
         public Chain<List<Object>> pull(Object ... values) {
             return new Chain<List<Object>>($.pull((List<Object>) value(), values));
         }
+
+        public Chain<List<Object>> pullAt(Integer ... indexes) {
+            return new Chain<List<Object>>($.pullAt((List<Object>) value(), indexes));
+        }
     }
 
     public static Chain chain(final String item) {
@@ -200,7 +204,7 @@ public List<T> flattenDeep() {
 
     public static List<Object> pull(final List<Object> list, Object ... values) {
         final List<Object> valuesList = Arrays.asList(values);
-        for (Iterator<Object> iterator = list.iterator(); iterator.hasNext(); ) {
+        for (final Iterator<Object> iterator = list.iterator(); iterator.hasNext(); ) {
             final Object object = iterator.next();
             if (valuesList.contains(object)) {
                 iterator.remove();
@@ -213,6 +217,25 @@ public List<Object> pull(Object ... values) {
         return pull((List<Object>) getIterable(), values);
     }
 
+    public static List<Object> pullAt(final List<Object> list, Integer ... indexes) {
+        final List<Object> result = newArrayList();
+        final List<Integer> indexesList = Arrays.asList(indexes);
+        int index = 0;
+        for (final Iterator<Object> iterator = list.iterator(); iterator.hasNext(); ) {
+            final Object object = iterator.next();
+            if (indexesList.contains(index)) {
+                result.add(object);
+                iterator.remove();
+            }
+            index += 1;
+        }
+        return result;
+    }
+
+    public List<Object> pullAt(Integer ... indexes) {
+        return pullAt((List<Object>) getIterable(), indexes);
+    }
+
     public static void main(String ... args) {
         final String message = "Underscore-java-lodash is a lodash plugin for underscore-java.\n\n"
             + "For docs, license, tests, and downloads, see: http://javadev.github.io/underscore-java";

lodash-plugin/src/test/java/com/github/underscore/lodash/LodashTest.java

@@ -221,6 +221,32 @@ public void pull() {
         assertEquals("[1, 1]", array.toString());
     }
 
+/*
+var array = [5, 10, 15, 20];
+var evens = _.pullAt(array, 1, 3);
+
+console.log(array);
+// → [5, 15]
+
+console.log(evens);
+// → [10, 20]
+*/
+    @Test
+    public void pullAt() {
+        List<Object> array = new ArrayList<Object>(asList(5, 10, 15, 20));
+        List<Object> events = $.pullAt(array, 1, 3);
+        assertEquals("[5, 15]", array.toString());
+        assertEquals("[10, 20]", events.toString());
+        array = new ArrayList<Object>(asList(5, 10, 15, 20));
+        events = new $(array).pullAt(1, 3);
+        assertEquals("[5, 15]", array.toString());
+        assertEquals("[10, 20]", events.toString());
+        array = new ArrayList<Object>(asList(5, 10, 15, 20));
+        events = $.chain(array).pullAt(1, 3).value();
+        assertEquals("[5, 15]", array.toString());
+        assertEquals("[10, 20]", events.toString());
+    }
+
     @Test
     public void main() {
         $.main(new String[] {});