pub trait BinaryInputs<L, R>: ConditionallySendwhere
L: ConditionallySend,
R: ConditionallySend,{
// Required methods
fn left(&mut self) -> &mut BoxStream<VPacket<L>>;
fn right(&mut self) -> &mut BoxStream<VPacket<R>>;
fn both(self) -> (BoxStream<VPacket<L>>, BoxStream<VPacket<R>>);
}