Nice library - I&#x27;ve put it on my workbench for some experiments.  I&#x27;ve been using lua-enumerable for pretty much the same purpose - its a little lighter (single file to drop into your project) and it grafts on top of table, so its also less likely to impact your other usage of &quot;_&quot;, if you use it, in a project ..<p><a href="https:&#x2F;&#x2F;github.com&#x2F;mikelovesrobots&#x2F;lua-enumerable" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;mikelovesrobots&#x2F;lua-enumerable</a>