From 62d267c2db0a33afa8c2be9ccebea940f4f6ecd8 Mon Sep 17 00:00:00 2001
From: Stephen Paul Weber <singpolyma@singpolyma.net>
Date: Sat, 15 Jun 2019 14:07:58 -0500
Subject: [PATCH] Fix for #join on empty list

---
 lib/dhall/ast.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/dhall/ast.rb b/lib/dhall/ast.rb
index be21725..0a265e7 100644
--- a/lib/dhall/ast.rb
+++ b/lib/dhall/ast.rb
@@ -461,6 +461,10 @@ module Dhall
 			self
 		end
 
+		def join(*)
+			""
+		end
+
 		def concat(other)
 			other
 		end
-- 
2.45.2