Remove redundant type casting in lodash plugin.

Author: javadev

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

@@ -120,7 +120,7 @@ public Chain<T> rest(int n) {
 
         @SuppressWarnings("unchecked")
         public Chain flatten() {
-            return new Chain((List<T>) $.flatten(value()));
+            return new Chain($.flatten(value()));
         }
 
         public <F> Chain<F> map(final Function1<? super T, F> func) {
@@ -353,7 +353,7 @@ public Chain<Object> fill(final Object value, final Integer start, final Integer
         }
 
         public Chain<Object> flattenDeep() {
-            return new Chain<Object>($.flattenDeep((List<?>) value()));
+            return new Chain<Object>($.flattenDeep(value()));
         }
 
         @SuppressWarnings("unchecked")
@@ -404,12 +404,12 @@ public Chain<T> at(final Integer ... indexes) {
         }
 
         @SuppressWarnings("unchecked")
-        public <T extends Number> Chain<T> sum() {
-            return new Chain<T>($.sum((List<T>) value()));
+        public <F extends Number> Chain<F> sum() {
+            return new Chain<F>($.sum((List<F>) value()));
         }
 
         public <F extends Number> Chain<F> sum(final Function1<T, F> func) {
-            return new Chain<F>($.sum((List<T>) value(), func));
+            return new Chain<F>($.sum(value(), func));
         }
 
         @SuppressWarnings("unchecked")
@@ -822,13 +822,13 @@ public static <E, F extends  Number> F sum(final Iterable<E> iterable, final Fun
     }
 
     @SuppressWarnings("unchecked")
-    public <T extends Number> T sum() {
-        return (T) sum((List<T>) getIterable());
+    public <F extends Number> F sum() {
+        return sum((List<F>) getIterable());
     }
 
     @SuppressWarnings("unchecked")
     public <E, F extends  Number> F sum(final Function1<E, F> func) {
-        return (F) sum((List<E>) getIterable(), func);
+        return sum((List<E>) getIterable(), func);
     }
 
     @SuppressWarnings("unchecked")

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

@@ -235,11 +235,11 @@ public void startCase() {
     public void startsWith() {
         assertTrue($.startsWith("abc", "a"));
         assertTrue(new $("abc").startsWith("a"));
-        assertTrue((Boolean) $.chain("abc").startsWith("a").item());
+        assertTrue($.chain("abc").startsWith("a").item());
         assertFalse($.startsWith("abc", "b"));
         assertTrue($.startsWith("abc", "b", 1));
         assertTrue(new $("abc").startsWith("b", 1));
-        assertTrue((Boolean) $.chain("abc").startsWith("b", 1).item());
+        assertTrue($.chain("abc").startsWith("b", 1).item());
         assertFalse($.startsWith("abc", "c", -4));
         assertFalse($.startsWith((String) null, (String) null));
         assertFalse($.startsWith("1", (String) null));