fn main() {

    // begin rustme snippet: readme

    // This example renders the example Markdown to html using

    // `pulldown_cmark::html`, while also extracting the frontmatter from

    // Markdown.

    let mut extractor = FrontmatterExtractor::new(pulldown_cmark::Parser::new(include_str!(

        "../frontmatter-example.md"

    )));

    // The only difference from using the FrontmatterExtractor and the regular

    // pulldown_cmark::Parser is that you must pass a mutable reference to the

    // extractor to be able to read the Frontmatter it extracts.

    let mut rendered = String::new();

    pulldown_cmark::html::push_html(&mut rendered, &mut extractor);

    assert_eq!(rendered, include_str!("../frontmatter-example.html"));

    let frontmatter = extractor.frontmatter.expect("frontmatter not detected");

    assert_eq!(

        frontmatter.title.expect("title not detected"),

        "Frontmatter Example Document"

    );

    let code_block = frontmatter.code_block.expect("code block not detected");

    assert_eq!(code_block.language.as_deref(), Some("toml"));

    let attrs: ExampleAttributes = toml::from_str(&code_block.source).expect("invalid toml");

    assert_eq!(attrs.author, "https://fosstodon.org/@ecton");

}

fn runs() {

    main()

}