From 63a19db0dc817d2929d8ef4bf12a15d5e9dbd015 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bitbucket@bruce-hill.com>
Date: Tue, 12 Jun 2018 20:06:33 -0700
Subject: Working version.

---
 nomsu_tree.moon | 1 +
 1 file changed, 1 insertion(+)

(limited to 'nomsu_tree.moon')

diff --git a/nomsu_tree.moon b/nomsu_tree.moon
index 315571a..89d51c4 100644
--- a/nomsu_tree.moon
+++ b/nomsu_tree.moon
@@ -37,6 +37,7 @@ Tree = (name, methods)->
         __call: (source, ...)=>
             if type(source) == 'string'
                 source = Source\from_string(source)
+            for i=1,select('#', ...) do assert(select(i,...))
             assert(Source\is_instance(source))
             inst = {:source, ...}
             setmetatable(inst, @)
-- 
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