command! {
/// Get a document by primary key
///
/// If no document exists with that primary key, `get` will return `None`.
///
/// # Example
///
/// Find a document by UUID.
///
/// ```reql
/// r.table("posts").get("a9849eef-7176-4411-935b-79a6e3c56a74");
/// ```
///
/// # Example
///
/// Find a document and merge another document with it.
///
/// ```reql
/// r.table("heroes").get(3).merge(args!({powers: ["invisibility", "speed"]}));
/// ```
///
/// # Example
///
/// Subscribe to a document’s [changefeed](https://rethinkdb.com/docs/changefeeds/ruby/).
///
/// ```reql
/// r.table("heroes").get(3).changes();
/// ```
#[command(
get(
args(key = "T"),
related(get_all, between),
)
)]
}