powercoder23
diff --git a/‎__tests__/Map.ts
+13 b/‎__tests__/Map.ts
+13
diff --git a/‎dist/immutable.js
+13-3 b/‎dist/immutable.js
+13-3
@@ -44,6 +44,19 @@ describe('Map', () => {
     expect(m.get('c')).toBe('C');
   });
 
+  it('constructor provides initial values as list of lists', () => {
+    var l = Immutable.List([
+      Immutable.List(['a', 'A']),
+      Immutable.List(['b', 'B']),
+      Immutable.List(['c', 'C'])
+    ]);
+    var m = Map(l);
+    expect(m.size).toBe(3);
+    expect(m.get('a')).toBe('A');
+    expect(m.get('b')).toBe('B');
+    expect(m.get('c')).toBe('C');
+  });
+
   it('constructor is identity when provided map', () => {
     var m1 = Map({'a': 'A', 'b': 'B', 'c': 'C'});
     var m2 = Map(m1);
 
@@ -1061,7 +1061,12 @@
         // in the parent iteration.
         if (entry) {
           validateEntry(entry);
-          return fn(entry[1], entry[0], this$0);
+          var indexedIterable = isIterable(entry);
+          return fn(
+            indexedIterable ? entry.get(1) : entry[1],
+            indexedIterable ? entry.get(0) : entry[0],
+            this$0
+          );
         }
       }, reverse);
     };
@@ -1079,8 +1084,13 @@
           // in the parent iteration.
           if (entry) {
             validateEntry(entry);
-            return type === ITERATE_ENTRIES ? step :
-              iteratorValue(type, entry[0], entry[1], step);
+            var indexedIterable = isIterable(entry);
+            return iteratorValue(
+              type,
+              indexedIterable ? entry.get(0) : entry[0],
+              indexedIterable ? entry.get(1) : entry[1],
+              step
+            );
           }
         }
       });