fn main() {

    // begin rustme snippet: readme

    // This example extracts the frontmatter from the Markdown,

    // `FrontmatterExtractor::extract()` which stops parsing the Markdown

    // document after the frontmatter extraction is complete.

    let extractor = FrontmatterExtractor::from_markdown(include_str!("../frontmatter-example.md"));

    let frontmatter = extractor.extract().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()

}