open_pql/functions/cast/
to_rank.rs

1use super::*;
2
3#[pqlfn(arg, rtn, eval)]
4pub fn to_rank(s: &str) -> Result<Option<PQLRank>, RuntimeError> {
5    s.parse::<PQLRank>().map_or_else(
6        |_| Err(RuntimeError::ToRankParseFailed(s.into())),
7        |r| Ok(Some(r)),
8    )
9}
10
11#[cfg(test)]
12mod tests {
13    use super::*;
14
15    #[test]
16    fn test_to_rank() {
17        assert!(to_rank(" K ").is_ok());
18        assert!(to_rank("Ks").is_err());
19    }
20}