--- a/crates/jrsonnet-stdlib/src/arrays.rs
+++ b/crates/jrsonnet-stdlib/src/arrays.rs
@@ -231,6 +231,11 @@
 }
 
 #[builtin]
+pub fn builtin_contains(arr: IndexableVal, elem: Val) -> Result<bool> {
+	builtin_member(arr, elem)
+}
+
+#[builtin]
 pub fn builtin_count(arr: ArrValue, x: Val) -> Result<usize> {
 	let mut count = 0;
 	for item in arr.iter() {
--- a/crates/jrsonnet-stdlib/src/lib.rs
+++ b/crates/jrsonnet-stdlib/src/lib.rs
@@ -80,6 +80,7 @@
 		("any", builtin_any::INST),
 		("all", builtin_all::INST),
 		("member", builtin_member::INST),
+		("contains", builtin_member::INST),
 		("count", builtin_count::INST),
 		("avg", builtin_avg::INST),
 		// Math