Struct QueryIterUnion 

pub struct QueryIterUnion { /* private fields */ }

Union iterator - concatenates multiple iterators

Implementations

impl QueryIterUnion

pub fn new(iterators: Vec<Box<dyn BindingIterator>>) -> QueryIterUnion

Create union iterator

Trait Implementations

impl BindingIterator for QueryIterUnion

fn next_binding(&mut self) -> Result<Option<Binding>, IterError>

Get next binding

fn vars(&self) -> Vec<Var>

Get variables produced by this iterator

fn cancel(&mut self)

Cancel iteration

fn has_next(&self) -> bool

Check if there are more results (optional hint)

fn reset(&mut self) -> bool

Reset iterator to beginning (if supported)

impl Debug for QueryIterUnion

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.