To learn Rust.
GET key
: Get the value of key. If the key does not exist the special value ? is returned.GETDEL key
: Get the value of key and delete the key. This command is similar to GET, except for the fact that it also deletes the key on success.SET key value
: Set key to hold the string value. If key already holds a value, it is overwritten.STRLEN key value
: Returns the length of the string value stored at key. If the key does not exist the special value ? is returned.