Function hwt::search::search8

pub fn search8(
    bits: u32, 
    feature: u128, 
    tws: [u32; 4], 
    radius: u32
) -> impl Iterator<Item = (usize, u32, usize, [u32; 8])>

Searches the eight substrings with width bits of a feature.

The target weights tws must be known as well.