#1669 new ctor for Reduced

src/main/java/org/cactoos/scalar/Reduced.java

@@ -97,6 +97,19 @@ public Reduced(
         this(reduce, new Mapped<>(Constant::new, values));
     }
 
+    /**
+     * Ctor.
+     * @param values Values to be wrapped as scalars
+     * @param reduce Reducing function
+     * @since 0.55.0
+     */
+    public Reduced(
+        final Iterable<T> values,
+        final BiFunc<? super T, ? super T, ? extends T> reduce
+    ) {
+        this(reduce, new Mapped<>(Constant::new, values));
+    }
+
     /**
      * Ctor.
      * @param reduce Reducing function

src/test/java/org/cactoos/scalar/ReducedTest.java

@@ -97,6 +97,21 @@ public void lastAtIterable() {
         ).affirm();
     }
 
+    @Test
+    public void lastAtIterableOfValues() {
+        final Character one = 'A';
+        final Character two = 'B';
+        final Character three = 'O';
+        new Assertion<>(
+            "Must find the last character",
+            new Reduced<>(
+                new IterableOf<>(one, two, three),
+                (first, last) -> last
+            ),
+            new HasValue<>(three)
+        ).affirm();
+    }
+
     @Test
     public void constructedFromVarargs() {
         final String one = "One";