(:has) - Operators

select a value that contains another

(:has val)

Where:

1. val: what must be inside this value *

Examples

Find log calls happening inside any arm of a match statement.

(match-arm _ (:has (call log::debug!)))

Selects in lines { 5 } but not in { 12 }:

fn main(args: Vec<String>) {
  for arg in args {
    match arg.as_str() {
      "--help" => {
        log::debug!("is asking for help")
      }

      _ => {}
    };
  }

  log::debug!("done")
}

---

Arguments

val

1. (:kind)
2. (:ref)
3. (:text)
4. (:and)
5. (:not)
6. (:or)
7. ...language selectors
   

Does NOT support: Refinement — Replacement