Refactor examples

Author: wooorm

examples/lib.rs

@@ -1,7 +1,43 @@
 fn main() -> Result<(), markdown::message::Message> {
+    // Turn on debugging.
+    // You can show it with `RUST_LOG=debug cargo run --features log --example lib`
+    env_logger::init();
+
+    // Safely turn (untrusted?) markdown into HTML.
+    println!("{:?}", markdown::to_html("## Hello, *world*!"));
+
+    // Turn trusted markdown into HTML.
+    println!(
+        "{:?}",
+        markdown::to_html_with_options(
+            "<div style=\"color: goldenrod\">\n\n# Hi, *Saturn*! 🪐\n\n</div>",
+            &markdown::Options {
+                compile: markdown::CompileOptions {
+                    allow_dangerous_html: true,
+                    allow_dangerous_protocol: true,
+                    ..markdown::CompileOptions::default()
+                },
+                ..markdown::Options::default()
+            }
+        )
+    );
+
+    // Support GFM extensions.
+    println!(
+        "{}",
+        markdown::to_html_with_options(
+            "* [x] contact ~Mercury~Venus at [email protected]!",
+            &markdown::Options::gfm()
+        )?
+    );
+
+    // Access syntax tree and support MDX extensions:
     println!(
         "{:?}",
-        markdown::to_mdast("# Hi *Earth*!", &markdown::ParseOptions::default())?
+        markdown::to_mdast(
+            "# <HelloMessage />, {username}!",
+            &markdown::ParseOptions::mdx()
+        )?
     );
 
     Ok(())