Implement a proper request tokenizer

src/commands/queue/clear.rs

@@ -1,5 +1,6 @@
-use crate::commands::{
-    Command, Request, RequestParserResult, ResponseAttributes, ResponseParserError,
+use crate::{
+    request_tokenizer::RequestTokenizer,
+    commands::{Command, Request, RequestParserResult, ResponseAttributes, ResponseParserError},
 };
 
 pub struct Clear;
@@ -13,7 +14,7 @@ impl Command for Clear {
         Self::COMMAND.to_string()
     }
 
-    fn parse_request(mut parts: std::str::SplitWhitespace<'_>) -> RequestParserResult<'_> {
+    fn parse_request(mut parts: RequestTokenizer<'_>) -> RequestParserResult<'_> {
         debug_assert!(parts.next().is_none());
         Ok((Request::Clear, ""))
     }