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authorVincent Ambo <mail@tazj.in>2022-08-24T13·24+0300
committertazjin <tazjin@tvl.su>2022-09-02T12·59+0000
commitb41960c55efd8e9e95ac67681ea21c1b22bbcd99 (patch)
tree729c1714900ab5f2717841e497f94cb7317d686f /tvix/eval/src
parentb8ac62d5fc269301fd601645065fe38e19fedbf5 (diff)
feat(tvix/eval): add builtins.isNull r/4590
Change-Id: Iae251d41b4ac6b77df56078a954ec3e33b7f9ccf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6256
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Diffstat (limited to 'tvix/eval/src')
-rw-r--r--tvix/eval/src/builtins/mod.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/tvix/eval/src/builtins/mod.rs b/tvix/eval/src/builtins/mod.rs
index 62bfd145c0a9..b5e8bb289b0e 100644
--- a/tvix/eval/src/builtins/mod.rs
+++ b/tvix/eval/src/builtins/mod.rs
@@ -17,6 +17,11 @@ macro_rules! builtin {
 pub fn global_builtins() -> HashMap<&'static str, Value> {
     let mut globals = HashMap::new();
 
+    builtin!(globals, "isNull", 1, |args| Ok(Value::Bool(matches!(
+        args[0],
+        Value::Null
+    ))));
+
     builtin!(globals, "toString", 1, |args| {
         // TODO: toString is actually not the same as Display
         Ok(Value::String(format!("{}", args[0]).into()))