pub fn Xpath(input: Node) -> Result<Expr<()>> {
        Ok(match_nodes!(input.into_children();
            [Expr(expr), EOI(_)] => expr,
        ))
    }
// Numbers refer to the XPath 3.1 grammar
// 1
Numbers refer to the XPath 3.1 grammar
1
Numbers refer to the XPath 3 . 1 grammar 1
pub fn Xpath(input: Node) -> Result<Expr<()>> {
        Ok(match_nodes!(input.into_children();
            [Expr(expr), EOI(_)] => expr,
        ))
    }
pub fn Xpath ( input : Node ) -> Result < Expr < ( ) > > { Ok ( match_nodes ! ( input into_children ( ) [ Expr ( expr ) EOI ( ) ] expr ) ) }
Numbers refer to the XPath 3.1 grammar
1
Numbers refer to the XPath 3 . 1 grammar 1
input
Node