display for item

src/db.rs

@@ -3,6 +3,7 @@ use std::hash::{Hash};
 
 use std::fs;
 use std::io::{self, Write, BufRead};
+use std::fmt;
 
 
 // TODO: use this structure in HashSet of items
@@ -12,12 +13,35 @@ pub struct Item {
     pub content: String
 }
 
+
 impl Item {
     pub fn from(s: String) -> Item {
         Item { id: s, content: String::from("") }
     }
 }
 
+impl fmt::Display for Item {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        writeln!(f, "{}", self.id)?;
+        writeln!(f, "---------")?;
+        writeln!(f, "{}", self.content)
+    }
+}
+
+pub fn test_items() {
+    let item1 = Item::from("item1".to_string());
+    let item2 = Item::from("item2".to_string());
+
+    let mut hs = HashSet::<Item>::new();
+    hs.insert(item1);
+    hs.insert(item2);
+
+    for item in hs.iter() {
+        println!("item: {}", item)
+    }
+
+}
+
 
 pub struct DB {
     pub items: HashSet::<String>

src/main.rs

@@ -87,6 +87,8 @@ fn list() -> io:: Result<()> {
 }
 
 fn main() -> io::Result<()> {
+    db::test_items();
+    return Ok(());
     let cli = Cli::parse();
     match &cli.command {
         Some(Commands::Init) => {