feat(tvix/eval): implement `builtins.any` r/5024

Change-Id: I640ee20e7c0a68c4e024a577e429fed9b3a49ece
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6845
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/tvix/eval/src/builtins/mod.rs b/tvix/eval/src/builtins/mod.rs
index bdfa791574..cd4200a13d 100644
--- a/tvix/eval/src/builtins/mod.rs
+++ b/tvix/eval/src/builtins/mod.rs
@@ -75,6 +75,20 @@ fn pure_builtins() -> Vec<Builtin> {
 
             Ok(Value::Bool(true))
         }),
+        Builtin::new("any", &[true, true], |args, vm| {
+            for value in args[1].to_list()?.into_iter() {
+                let pred_result = {
+                    vm.push(value);
+                    vm.call_value(&args[0])
+                }?;
+
+                if pred_result.force(vm)?.as_bool()? {
+                    return Ok(Value::Bool(true));
+                }
+            }
+
+            Ok(Value::Bool(false))
+        }),
         Builtin::new("attrNames", &[true], |args, _| {
             let xs = args[0].to_attrs()?;
             let mut output = Vec::with_capacity(xs.len());