From: sforman <sforman@hushmail.com>
Date: Sat, 29 Jul 2023 19:11:43 +0000 (-0700)
Subject: Empty string is not an unknown word.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=4d6230e01df6cd58471136c6faeb84cb2dd35ba2;p=joypy%2FThun.git

Empty string is not an unknown word.
---

diff --git a/implementations/Elm/src/Joy.elm b/implementations/Elm/src/Joy.elm
index 4338129..dac5dbe 100644
--- a/implementations/Elm/src/Joy.elm
+++ b/implementations/Elm/src/Joy.elm
@@ -36,6 +36,7 @@ joy stack expression =
 joy_eval : String -> JList -> JList -> Result String (JList, JList)
 joy_eval symbol stack expression =
     case symbol of
+        "" -> Ok (stack, expression)
 
         "branch" -> joy_branch stack expression
         "i" -> joy_i stack expression