Update: Use null instead of undefined for errors

phated · phated · commit 30f3c76a8827 · 2016-06-25T16:25:23.000-07:00
diff --git a/index.js b/index.js
@@ -14,7 +14,7 @@ function settle(fn, done){
       settled.value = result;
     }
 
-    done(undefined, settled);
+    done(null, settled);
   });
 }
 
