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22 lines
590 B
22 lines
590 B
8 months ago
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extern crate trpl; // required for mdbook test
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use trpl::Html;
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// ANCHOR: main
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async fn main() {
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let args: Vec<String> = std::env::args().collect();
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let url = &args[1];
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match page_title(url).await {
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Some(title) => println!("The title for {url} was {title}"),
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None => println!("{url} had no title"),
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}
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}
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// ANCHOR_END: main
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async fn page_title(url: &str) -> Option<String> {
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let response_text = trpl::get(url).await.text().await;
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Html::parse(&response_text)
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.select_first("title")
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.map(|title_element| title_element.inner_html())
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}
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