From 662e5745887c90d082ef260dc42ebacdf55701ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcel=20M=C3=BCller?= <neikos@neikos.email>
Date: Sun, 15 Mar 2026 12:35:45 +0100
Subject: [PATCH] Add undefined value
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Signed-off-by: Marcel Müller <neikos@neikos.email>
---
 src/value.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/value.rs b/src/value.rs
index 2d70084..c587f82 100644
--- a/src/value.rs
+++ b/src/value.rs
@@ -31,6 +31,7 @@ pub enum NomoValue {
     Iterator {
         value: Box<dyn CloneIterator<Item = NomoValue>>,
     },
+    Undefined,
 }
 
 impl NomoValue {
@@ -241,6 +242,7 @@ impl NomoValue {
             NomoValue::SignedInteger { value } => Some(value.to_string()),
             NomoValue::Float { value } => Some(value.to_string()),
             NomoValue::Iterator { .. } => None,
+            NomoValue::Undefined => None,
         }
     }
 }
@@ -281,6 +283,7 @@ impl std::fmt::Debug for NomoValue {
                 .debug_struct("Iterator")
                 .field("value", &"Iterator")
                 .finish(),
+            Self::Undefined => f.debug_tuple("Undefined").finish(),
         }
     }
 }