Function parse_url

css-inline/src/main.rs:28–34

(url: Option<&str>)

    };

    fn parse_url(url: Option<&str>) -> Result<Option<url::Url>, url::ParseError> {
        Ok(if let Some(url) = url {
            Some(url::Url::parse(url)?)
        } else {
            None
        })
    }

    #[derive(Debug)]
    struct ParseError {