在代码目录引入Cargo工作区

code/Cargo.toml

@@ -0,0 +1,4 @@
+[workspace]
+members = [
+    "ch01-01",
+]

code/ch01-01/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "zcore"
+name = "ch01-01"
 version = "0.1.0"
 authors = ["Runji Wang <wangrunji0408@163.com>"]
 edition = "2018"

code/ch01-01/src/object/object_v1.rs

@@ -1,4 +1,5 @@
-use super::*;
+#![allow(dead_code)]
+use super::{KernelObject, KoID, String};
 
 // ANCHOR: dummy_def
 use spin::Mutex;