Function gfautil::variants::find_snps_in_sub_paths

pub fn find_snps_in_sub_paths(
    path_data: &PathData, 
    ref_path_ix: usize, 
    path_indices: &PathIndices, 
    from: u64, 
    to: u64
) -> Option<FnvHashMap<BString, Vec<SNPRow>>>