Updates.

packages/rust/examples/basic.rs

@@ -0,0 +1,48 @@
+//! Example demonstrating basic Terrace parsing in Rust.
+
+use terrace::{TerraceDocument, StringReader};
+
+#[tokio::main]
+async fn main() {
+    let content = r#"
+config
+ database
+  host localhost
+  port 5432
+  name mydb
+ server
+  port 3000
+  host 0.0.0.0
+  ssl enabled
+"#;
+
+    println!("Parsing Terrace document:");
+    println!("{}", content);
+    println!("Results:");
+
+    let reader = StringReader::new(content);
+    let mut doc = TerraceDocument::with_reader(reader);
+
+    while let Some(node) = doc.next().await {
+        if !node.is_empty() {
+            println!("{:indent$}{}: '{}'",
+                     "",
+                     node.head(),
+                     node.tail(),
+                     indent = node.level() * 2);
+        }
+    }
+
+    println!("\n--- Filtering Example ---");
+
+    // Example of filtering
+    let reader2 = StringReader::new(content);
+    let doc2 = TerraceDocument::with_reader(reader2);
+
+    let port_nodes = doc2.filter(|node| node.head() == "port").await;
+
+    println!("Found {} port configurations:", port_nodes.len());
+    for node in port_nodes {
+        println!("  Port: {} (level {})", node.tail(), node.level());
+    }
+}