about summary refs log tree commit diff
path: root/tvix/eval/src/errors.rs
diff options
context:
space:
mode:
Diffstat (limited to 'tvix/eval/src/errors.rs')
-rw-r--r--tvix/eval/src/errors.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/tvix/eval/src/errors.rs b/tvix/eval/src/errors.rs
index 96217cabaf4b..49a051c16eee 100644
--- a/tvix/eval/src/errors.rs
+++ b/tvix/eval/src/errors.rs
@@ -32,6 +32,9 @@ pub enum ErrorKind {
     // Unknown variable in dynamic scope (with, rec, ...).
     UnknownDynamicVariable(String),
 
+    // User is defining the same variable twice at the same depth.
+    VariableAlreadyDefined(String),
+
     // Attempt to call something that is not callable.
     NotCallable,