Trait redis_driver::ListCommands

pub trait ListCommands: CommandSend {
    fn lpush<K, E>(
        &self,
        key: K,
        elements: E
    ) -> Pin<Box<dyn Future<Output = Result<i64>> + '_>>
   where
        K: Into<BulkString> + Send,
        E: IntoArgs + Send,
    { ... }
    fn lpop<K, E>(
        &self,
        key: K,
        count: usize
    ) -> Pin<Box<dyn Future<Output = Result<Vec<E>>> + '_>>
   where
        K: Into<BulkString> + Send,
        E: FromValue,
    { ... }
    fn rpush<K, E>(
        &self,
        key: K,
        elements: E
    ) -> Pin<Box<dyn Future<Output = Result<i64>> + '_>>
   where
        K: Into<BulkString> + Send,
        E: IntoArgs + Send,
    { ... }
    fn rpop<K, E>(
        &self,
        key: K,
        count: usize
    ) -> Pin<Box<dyn Future<Output = Result<Vec<E>>> + '_>>
   where
        K: Into<BulkString> + Send,
        E: FromValue,
    { ... }
}

A group of Redis commands related to Lists

See Also

Redis List Commands

Provided Methods

fn lpush<K, E>(
    &self,
    key: K,
    elements: E
) -> Pin<Box<dyn Future<Output = Result<i64>> + '_>>where
    K: Into<BulkString> + Send,
    E: IntoArgs + Send,

Insert all the specified values at the head of the list stored at key

Return

the length of the list after the push operations.

See Also

https://redis.io/commands/lpush/

fn lpop<K, E>(
    &self,
    key: K,
    count: usize
) -> Pin<Box<dyn Future<Output = Result<Vec<E>>> + '_>>where
    K: Into<BulkString> + Send,
    E: FromValue,

Removes and returns the first elements of the list stored at key.

Return

collection of popped elements, or empty collection when key does not exist.

See Also

https://redis.io/commands/lpop/

fn rpush<K, E>(
    &self,
    key: K,
    elements: E
) -> Pin<Box<dyn Future<Output = Result<i64>> + '_>>where
    K: Into<BulkString> + Send,
    E: IntoArgs + Send,

Insert all the specified values at the tail of the list stored at key

Return

the length of the list after the push operations.

See Also

https://redis.io/commands/lpush/

fn rpop<K, E>(
    &self,
    key: K,
    count: usize
) -> Pin<Box<dyn Future<Output = Result<Vec<E>>> + '_>>where
    K: Into<BulkString> + Send,
    E: FromValue,

Removes and returns the first elements of the list stored at key.

Return

collection of popped elements, or empty collection when key does not exist.

See Also

https://redis.io/commands/lpop/

Implementors

impl ListCommands for Database

impl ListCommands for Transaction