Replace custom crate with 3rd party (#39)

* Replace custom crate with 3rd party

* Fix Cargo.toml and missing comment

Cargo.toml

@@ -1,5 +1,3 @@
-workspace = { members = ["enum_variants"] }
-
 [package]
 name = "rustdis"
 version = "0.1.0"
@@ -17,9 +15,10 @@ futures = "0.3.30"
 glob-match = "0.2.1"
 thiserror = "1.0.53"
 # TODO: Use only required features.
-tokio = { version = "1.35.0", features = ['full'] }
+tokio = { version = "1.35.0", features = ["full"] }
 tokio-util = { version = "0.7.10", features = ["codec"] }
 tracing = "0.1.40"
 tracing-subscriber = "0.3.18"
 uuid = { version = "1.8.0", features = ["v4"] }
-enum_variants = { path = "./enum_variants" }
+strum = "0.26.2"
+strum_macros = "0.26.2"

src/commands/command.rs

@@ -1,5 +1,7 @@
 use std::sync::{Arc, Mutex};
 
+use strum::VariantNames;
+
 use crate::commands::executable::Executable;
 use crate::commands::{Command as RootCommand, CommandParser, CommandParserError};
 use crate::frame::Frame;
@@ -55,7 +57,7 @@ pub struct Root;
 impl Executable for Root {
     fn exec(self, _store: Arc<Mutex<Store>>) -> Result<Frame, Error> {
         // TODO: list subcommands
-        let cmds = RootCommand::all_variants()
+        let cmds = RootCommand::VARIANTS
             .iter()
             .map(|s| Frame::Simple(s.to_uppercase().to_string()))
             .collect();

src/commands/mod.rs

@@ -36,10 +36,9 @@ pub mod type_;
 use bytes::Bytes;
 use std::sync::{Arc, Mutex};
 use std::{str, vec};
+use strum_macros::VariantNames;
 use thiserror::Error as ThisError;
 
-use enum_variants::VariantNames;
-
 use crate::commands::executable::Executable;
 use crate::frame::Frame;
 use crate::store::Store;