mod string {
#[yeter::query]
pub fn len(_db: &yeter::Database, input: String) -> usize {
input.len()
}
}
fn main() {
let db = yeter::Database::new();
let len1 = string::len(&db, "hello".into());
let len2 = string::len(&db, "hello".into());
let len3 = string::len(&db, "world".into());
assert_eq!(len1, len2);
assert_eq!(len1, len3);
}