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Task/Y-combinator/JavaScript/y-combinator-1.js

@@ -0,0 +1,18 @@
+function Y(f) {
+    var g = f(function() {
+        return g.apply(this, arguments);
+    });
+    return g;
+}
+
+var fac = Y(function(f) {
+    return function(n) {
+        return n > 1 ? n * f(n - 1) : 1;
+    };
+});
+
+var fib = Y(function(f) {
+    return function(n) {
+        return n > 1 ? f(n - 1) + f(n - 2) : n;
+    };
+});