cloudkit 0.3.8

Safe Rust bindings for Apple's CloudKit framework — iCloud databases and sync on macOS
Documentation 
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use cloudkit::prelude::*;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let parent_id = CKRecordID::new("parent-record");
    let reference = CKReference::delete_self(parent_id.clone());

    let mut child = CKRecord::new("ChildRecord")?;
    child.set_parent_reference_from_record_id(parent_id);
    child.set_object("parentRef", reference);

    println!(
        "parent={:?} keys={:?}",
        child
            .parent()
            .map(|reference| reference.record_id().record_name()),
        child.all_keys()
    );
    println!("✅ reference-utility area OK");
    Ok(())
}