项目结构优化，解决主模块无法引入子模块的问题，入口更改为main包

Cargo.lock

@@ -2,6 +2,377 @@
 # It is not intended for manual editing.
 version = 3
 
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Cargo.toml

@@ -6,3 +6,11 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+
+[workspace]
+members=[
+    "main",
+    "exchanges",
+    "standard",
+    "strategy"
+]

main/.gitignore

@@ -0,0 +1,2 @@
+/target
+/.idea

main/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "as-rust-main"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio = { version = "1.31.0", features = ["full"] }
+standard = { path= "../standard" }

main/src/main.rs

@@ -0,0 +1,5 @@
+use standard::test_standard;
+
+fn main() {
+    test_standard();
+}

main/tests/sub_task_test.rs

@@ -0,0 +1,20 @@
+use std::process::{Command, Stdio};
+use std::io::{self, Read};
+
+#[tokio::test]
+async fn test_sub_task() -> io::Result<()> {
+    let mut child = Command::new("cmd.exe")
+        .arg("/c")
+        .arg("echo Hello, world!")
+        .stdout(Stdio::piped())
+        .spawn()?;
+
+    let mut output = String::new();
+    if let Some(ref mut stdout) = child.stdout {
+        stdout.read_to_string(&mut output)?;
+    }
+
+    println!("{}", output);
+
+    Ok(())
+}

standard/Cargo.toml

@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+tokio = { version = "1.31.0", features = ["full"] }

standard/src/lib.rs

@@ -0,0 +1,3 @@
+pub fn test_standard() {
+    println!("Hello Standard!");
+}

standard/src/main.rs

@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}

standard/tests/libs_test.rs

@@ -0,0 +1,6 @@
+use standard;
+
+#[tokio::test]
+async fn test_import() {
+    standard::test_standard();
+}