(rust) quick serde/json tryout

rust/src/main.rs

@@ -1,24 +1,36 @@
 #![allow(dead_code, unused)]
 
-use chrono::{DateTime, Local};
-use tokio::{
-    fs,
-};
+use chrono::{DateTime, Local, Utc};
 use dirs::config_dir;
+use serde::{self, Deserialize, Serialize};
+use serde_json;
 
-const BLOCK_SIZE: usize = 1024;
-const TIMEOUT_LIMIT: usize = 32;
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct TestStruct {
+    name: String,
+    id: u128,
+    time: DateTime<Utc>,
+    pos: SubStruct,
+}
 
-#[tokio::main]
-async fn main() -> anyhow::Result<()> {
-    let mut interfaces = fs::read_dir("/sys/class/net").await?;
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct SubStruct {
+    x: i32,
+    y: i32,
+}
 
-    while let Ok(Some(interface)) = interfaces.next_entry().await {
-        let if_name = interface.file_name().into_string().unwrap();
-        if !(if_name == "lo") && !if_name.contains("loop") {
-            println!("name: {}", if_name);
-        }
-    }
+fn main() -> anyhow::Result<()> {
+    let test = TestStruct {
+        name: "ronald yellowegger".to_owned(),
+        id: 029854u128,
+        time: chrono::Utc::now(),
+        pos: SubStruct { x: 8, y: -3 },
+    };
+
+    let json = serde_json::to_string(&test)?;
+
+    println!("json = \\");
+    println!("{}", json);
 
     Ok(())
 }