Macro batch_write 

macro_rules! batch_write {
    (
        $client:expr;
        writes: $( $w:expr ),*;
        deletes: $( $d:expr ),*
    ) => { ... };
}

Convenience macro for batch write operations.

Examples

batch_write!(
    client;
    writes:
        Task {
            task_id: Some("87cb64a9-6431-406f-89d8-e91cb7ea944b".to_string()),
            project: Some("foo_project".to_string()),
            employee: Some("Mark".to_string()),
            ..Default::default()
        };
    deletes:
        Task {
            task_id: Some("d9bb6b19-e306-4705-9773-960abe6c5078".to_string()),
            project: Some("foo_project".to_string()),
            employee: Some("Jimbo".to_string()),
            ..Default::default()
        },
        Task {
            task_id: Some("8ddbddaf-2072-4da1-b7c4-04aa31006b41".to_string()),
            project: Some("foo_project".to_string()),
            employee: Some("Steve".to_string()),
            ..Default::default()
        }
)?;