https://github.com/ad-si/Woxi/tree/main/tests
Spot checking, I don't see any issues.
e.g. https://github.com/ad-si/Woxi/blob/main/tests/list_tests.rs
#[test]
fn first() {
assert_eq!(interpret("First[{1, 2, 3}]").unwrap(), "1");
assert_eq!(interpret("First[{a, b, c}]").unwrap(), "a");
assert_eq!(interpret("First[{True, False, False}]").unwrap(), "True");
}