Ensure toString is not broken when Symbols are members of a collection. Fix immutable-js#316

leebyron · leebyron · commit d46faa676ac6 · 2015-02-05T19:19:14.000-05:00
diff --git a/src/IterableImpl.js b/src/IterableImpl.js
@@ -200,7 +200,7 @@ mixin(Iterable, {
     var isFirst = true;
     this.__iterate(v => {
       isFirst ? (isFirst = false) : (joined += separator);
-      joined += v !== null && v !== undefined ? v : '';
+      joined += v !== null && v !== undefined ? v.toString() : '';
     });
     return joined;
   },
