mset / mget commands (cli currently only supports mget)

src/commands/delete.rs

@@ -15,6 +15,10 @@ pub struct Delete {
 }
 
 impl Delete {
+    pub fn new(key: String) -> Self {
+        Self { key }
+    }
+
     pub async fn execute(self, db: &Database, connection: &mut Connection) -> Result<()> {
         let value = db.delete(&self.key).await;
 
@@ -31,4 +35,13 @@ impl Delete {
 
         Ok(Self { key })
     }
+
+    pub fn put(&self, buf: &mut BytesMut) -> Result<()> {
+        buf.put_short_string("delete")?;
+        self.put_without_cmd_name(buf)
+    }
+
+    pub fn put_without_cmd_name(&self, buf: &mut BytesMut) -> Result<()> {
+        buf.put_short_string(&self.key)
+    }
 }