工人kv 使用和Rust绑定到Cloudflare Worker 。 例子 let kv = KvStore :: create ( "Example" )?; // Insert a new entry into the kv. kv. put ( "example_key" , "example_value" ) . metadata ( vec! [ 1 , 2 , 3 , 4 ]) // Use some arbitrary serialiazable metadata . execute () . await ?; // NOTE: kv changes can take a minute to become visible to other workers. // Get that same metadata. let (value, metdata