Add support for result() method

Author: javadev

src/main/java/com/github/underscore/_.java

@@ -927,6 +927,21 @@ public static String unescape(String value) {
         return value.replaceAll("&lt;", "<").replaceAll("&gt;", ">").replaceAll("&quot;", "\"").replaceAll("&amp;", "&");
     }
 
+    public static <E> Object result(final Iterable<E> iterable, final Predicate<E> pred) {
+        for (E element : iterable) {
+            if (pred.apply(element)) {
+                if (element instanceof Map.Entry) {
+                    if (((Map.Entry) element).getValue() instanceof Function) {
+                        return ((Function) ((Map.Entry) element).getValue()).apply();
+                    }
+                    return ((Map.Entry) element).getValue();
+                }
+                return element;
+            }
+        }
+        return null;
+    }
+
     public static <E> Template<Set<E>> template(final String template) {
         return new Template<Set<E>>(template) {
             @Override

src/test/java/com/github/underscore/_Test.java

@@ -1332,7 +1332,26 @@ public void result() throws Exception {
             put("stuff", new Function<String>() { public String apply() { return "nonsense"; }});
         }};
 
-//        _.result(object.entrySet(), asList("cheese"));
+        assertEquals("crumpets", _.result(object.entrySet(), new Predicate<Map.Entry<String, Object>>() {
+            public Boolean apply(Map.Entry<String, Object> item) {
+                return item.getKey().equals("cheese");
+            }
+        }));
+        assertEquals("nonsense", _.result(object.entrySet(), new Predicate<Map.Entry<String, Object>>() {
+            public Boolean apply(Map.Entry<String, Object> item) {
+                return item.getKey().equals("stuff");
+            }
+        }));
+        assertEquals("result1", _.result(asList("result1", "result2"), new Predicate<String>() {
+            public Boolean apply(String item) {
+                return item.equals("result1");
+            }
+        }));
+        assertEquals(null, _.result(asList("result1", "result2"), new Predicate<String>() {
+            public Boolean apply(String item) {
+                return item.equals("result3");
+            }
+        }));
     }
 
 /*