add the project manage example

Author: jamesmarva

code/examples/m1/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "m1"
+version = "0.1.0"
+authors = ["wanghanwei <[email protected]>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

code/examples/m1/src/main.rs

@@ -0,0 +1,7 @@
+mod sort;
+mod sort_util;
+fn main() {
+    println!("Hello, world!");
+    sort::sort1();
+    sort_util::quick_sort::qik_sort();
+}

code/examples/m1/src/sort.rs

@@ -0,0 +1,3 @@
+pub fn sort1() {
+    println!("sort 1");
+}

code/examples/m1/src/sort_util.rs

@@ -0,0 +1 @@
+pub mod quick_sort;

code/examples/m1/src/sort_util/quick_sort.rs

@@ -0,0 +1,3 @@
+pub fn qik_sort() {
+    println!("asdfasfd");
+}