Refactor grouping

crates/pile-value/src/value/readers.rs

@@ -1,5 +1,10 @@
 use pile_io::{AsyncReader, AsyncSeekReader};
-use std::{fs::File, io::Seek};
+use std::{
+	fs::File,
+	io::{Cursor, Seek},
+};
+
+use crate::value::ArcBytes;
 
 //
 // MARK: itemreader
@@ -7,12 +12,14 @@ use std::{fs::File, io::Seek};
 
 pub enum ItemReader {
 	File(File),
+	Vec(Cursor<ArcBytes>),
 }
 
 impl AsyncReader for ItemReader {
 	async fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
 		match self {
 			Self::File(x) => std::io::Read::read(x, buf),
+			Self::Vec(x) => std::io::Read::read(x, buf),
 		}
 	}
 }
@@ -21,6 +28,7 @@ impl AsyncSeekReader for ItemReader {
 	async fn seek(&mut self, pos: std::io::SeekFrom) -> Result<u64, std::io::Error> {
 		match self {
 			Self::File(x) => x.seek(pos),
+			Self::Vec(x) => x.seek(pos),
 		}
 	}
 }