Method visit

src/nearest.rs:83–89

(&mut self, distance: f32, distance_squared: f32, idx: PalIndex)

impl Visitor {
    #[inline]
    fn visit(&mut self, distance: f32, distance_squared: f32, idx: PalIndex) {
        if distance_squared < self.distance_squared && self.exclude != Some(idx) {
            self.distance = distance;
            self.distance_squared = distance_squared;
            self.idx = idx;
        }
    }
}

pub(crate) struct Node {