Implement some more commands

src/commands/queue/delete.rs

@@ -0,0 +1,33 @@
+use std::str::FromStr;
+
+use crate::{
+    commands::{
+        Command, RequestParserError, RequestParserResult, ResponseAttributes, ResponseParserError,
+    },
+    common::OneOrRange,
+    Request,
+};
+
+pub struct Delete;
+
+impl Command for Delete {
+    type Response = ();
+    const COMMAND: &'static str = "delete";
+
+    fn parse_request(mut parts: std::str::SplitWhitespace<'_>) -> RequestParserResult<'_> {
+        let pos_or_range = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;
+        let one_or_range = OneOrRange::from_str(pos_or_range)
+            .map_err(|_| RequestParserError::SyntaxError(0, pos_or_range.to_string()))?;
+
+        debug_assert!(parts.next().is_none());
+
+        Ok((Request::Delete(one_or_range), ""))
+    }
+
+    fn parse_response(
+        parts: ResponseAttributes<'_>,
+    ) -> Result<Self::Response, ResponseParserError> {
+        debug_assert!(parts.is_empty());
+        Ok(())
+    }
+}