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-rw-r--r--tvix/eval/src/builtins/mod.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/tvix/eval/src/builtins/mod.rs b/tvix/eval/src/builtins/mod.rs
index 01ef1678c7ee..dcc158d10189 100644
--- a/tvix/eval/src/builtins/mod.rs
+++ b/tvix/eval/src/builtins/mod.rs
@@ -960,6 +960,9 @@ pub fn pure_builtins() -> Vec<(&'static str, Value)> {
     // Pure-value builtins
     result.push(("nixVersion", Value::String("2.3-compat-tvix-0.1".into())));
     result.push(("langVersion", Value::Integer(6)));
+    result.push(("null", Value::Null));
+    result.push(("true", Value::Bool(true)));
+    result.push(("false", Value::Bool(false)));
 
     result.push((
         "currentSystem",