Initial data commit

Task/Currying/JavaScript/currying-9.js

@@ -0,0 +1,27 @@
+(() => {
+
+    // curry :: ((a, b) -> c) -> a -> b -> c
+    let curry = f => a => b => f(a, b);
+
+
+    // TEST
+
+    // product :: Num -> Num -> Num
+    let product = (a, b) => a * b,
+
+        // Int -> Int -> Maybe Int -> [Int]
+        range = (m, n, step) => {
+            let d = (step || 1) * (n >= m ? 1 : -1);
+
+            return Array.from({
+                length: Math.floor((n - m) / d) + 1
+            }, (_, i) => m + (i * d));
+        }
+
+
+    return range(1, 10)
+        .map(curry(product)(7))
+
+    // [7, 14, 21, 28, 35, 42, 49, 56, 63, 70]
+
+})();