main.rs

use faiss::{error::Error, index_factory, Index, MetricType};
fn main() -> Result<(), Error> {
    let my_data = vec![1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0];
    let mut index = index_factory(8, "Flat", MetricType::L2)?;
    index.add(&my_data)?;
    let result = index.search(&my_data, 5)?;
    for (i, (l, d)) in result
        .labels
        .iter()
        .zip(result.distances.iter())
        .enumerate()
    {
        println!("#{}: {} (D={})", i + 1, *l, *d);
    }
    Ok(())
}