feat(examples): add iter example

examples/custom.rs

@@ -29,9 +29,9 @@ impl From<FromUtf8Error> for MyError {
     }
 }
 
-struct CustomHtmlHandler;
+struct MyHtmlHandler;
 
-impl HtmlHandler<MyError> for CustomHtmlHandler {
+impl HtmlHandler<MyError> for MyHtmlHandler {
     fn start<W: Write>(&mut self, mut w: W, container: Container<'_>) -> Result<(), MyError> {
         let mut default_handler = DefaultHtmlHandler;
         match container {
@@ -62,7 +62,7 @@ fn main() -> Result<(), MyError> {
         let contents = String::from_utf8(fs::read(&args[1])?)?;
 
         let mut writer = Vec::new();
-        Org::parse(&contents).html(&mut writer, CustomHtmlHandler)?;
+        Org::parse(&contents).html(&mut writer, MyHtmlHandler)?;
 
         println!("{}", String::from_utf8(writer)?);
     }

examples/iter.rs

@@ -0,0 +1,19 @@
+use orgize::Org;
+use std::env::args;
+use std::fs;
+use std::io::Result;
+
+fn main() -> Result<()> {
+    let args: Vec<_> = args().collect();
+
+    if args.len() < 2 {
+        eprintln!("Usage: {} <org-file>", args[0]);
+    } else {
+        let contents = String::from_utf8(fs::read(&args[1])?).unwrap();
+
+        for event in Org::parse(&contents).iter() {
+            println!("{:?}", event);
+        }
+    }
+    Ok(())
+}