Function normalize

compiler/tests/vm.rs:42–44

Apply set normalization line-by-line so both sides compare order-independent.

(lines: &[String])

    // Apply set normalization line-by-line so both sides compare order-independent.
    fn normalize(lines: &[String]) -> Vec<String> {
        lines.iter().map(|l| normalize_set(l)).collect()
    }

    // Resume on each PendingEvent by pushing the next interactive_events entry.
    fn drive(vm: &mut VM, interactive: &[String]) -> Result<(), VmErr> {