pub fn parse<N>(
    input: &str,
    namespace_resolver: Option<N>,
    is_in_html_document: bool,
) -> Result<Expression, Error>where
    N: NamespaceResolver,Expand description
Parse an XPath expression from a string.
pub fn parse<N>(
    input: &str,
    namespace_resolver: Option<N>,
    is_in_html_document: bool,
) -> Result<Expression, Error>where
    N: NamespaceResolver,Parse an XPath expression from a string.