Data commit

Task/Variadic-function/JavaScript/variadic-function-1.js

@@ -0,0 +1,7 @@
+function printAll() {
+  for (var i=0; i<arguments.length; i++)
+    print(arguments[i])
+}
+printAll(4, 3, 5, 6, 4, 3);
+printAll(4, 3, 5);
+printAll("Rosetta", "Code", "Is", "Awesome!");

Task/Variadic-function/JavaScript/variadic-function-2.js

@@ -0,0 +1,2 @@
+args = ["Rosetta", "Code", "Is", "Awesome!"]
+printAll.apply(null, args)

Task/Variadic-function/JavaScript/variadic-function-3.js

@@ -0,0 +1,29 @@
+let
+  fix = // Variant of the applicative order Y combinator
+    f => (f => f(f))(g => f((...a) => g(g)(...a))),
+  forAll =
+    f =>
+      fix(
+        z => (a,...b) => (
+          (a === void 0)
+          ||(f(a), z(...b)))),
+  printAll = forAll(print);
+
+printAll(0,1,2,3,4,5);
+printAll(6,7,8);
+(f => a => f(...a))(printAll)([9,10,11,12,13,14]);
+//  0
+//  1
+//  2
+//  3
+//  4
+//  5
+//  6
+//  7
+//  8
+//  9
+//  10
+//  11
+//  12
+//  13
+//  14

Task/Variadic-function/JavaScript/variadic-function-4.js

@@ -0,0 +1,12 @@
+(() => {
+    'use strict';
+
+    // show :: a -> String
+    const show = x => JSON.stringify(x, null, 2);
+
+    // printAll [any] -> String
+    const printAll = (...a) => a.map(show)
+        .join('\n');
+
+    return printAll(1, 2, 3, 2 + 2, "five", 6);
+})();