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use crate::url::Parser;

impl Parser {
    /// Extract the query from the url.
    ///
    /// # Example
    /// ```rust
    /// use url_parse::url::Parser;
    /// let input = "https://www.example.co.uk:443/blog/article/search?docid=720&hl=en#dayone";
    /// let result = Parser::new(None).mixout_query(input).unwrap();
    /// assert_eq!(result, "docid=720&hl=en#dayone");
    /// ```
    pub fn mixout_query<'a>(&self, input: &'a str) -> Option<&'a str> {
        let position_questionmark = input.find("?");
        if position_questionmark.is_some() {
            let after = &input[position_questionmark.unwrap() + 1..];
            return Some(after);
        }
        None
    }
}

#[test]
fn test_mixout_query_works_when_typical() {
    use crate::url::*;
    let input = "https://www.example.co.uk:443/blog/article/search?docid=720&hl=en#dayone";
    let result = Parser::new(None).mixout_query(input).unwrap();
    assert_eq!(result, "docid=720&hl=en#dayone");
}