Trait XPathResultMethods 
Source pub trait XPathResultMethods<D>{
    // Required methods
    fn ResultType(&self) -> u16;
    fn GetNumberValue(&self) -> Result<f64, Error>;
    fn GetStringValue(&self) -> Result<DOMString, Error>;
    fn GetBooleanValue(&self) -> Result<bool, Error>;
    fn GetSingleNodeValue(
        &self,
    ) -> Result<Option<Root<Dom<<D as DomTypes>::Node>>>, Error>;
    fn InvalidIteratorState(&self) -> bool;
    fn GetSnapshotLength(&self) -> Result<u32, Error>;
    fn IterateNext(
        &self,
    ) -> Result<Option<Root<Dom<<D as DomTypes>::Node>>>, Error>;
    fn SnapshotItem(
        &self,
        index: u32,
    ) -> Result<Option<Root<Dom<<D as DomTypes>::Node>>>, Error>;
}