Resolve correct Success arg in empty any\(\) combinator

CHANGELOG.md

@@ -1,5 +1,7 @@
 ### HEAD
 
+- Fixed bug preventing correct resolution of any() combinator promise
+  when passed an empty array
 - Suggest nearby property name in Struct error messages
 - Add offending generator key to error message when resolving coroutines
   that yield incorrect values to assist in debugging.

lib/functions.php

@@ -256,7 +256,7 @@ function some(array $promises) {
  */
 function any(array $promises) {
     if (empty($promises)) {
-        return new Success([], []);
+        return new Success([[], []]);
     }
 
     $results   = [];