Function faiss_IndexBinary_reconstruct_n 

pub unsafe extern "C" fn faiss_IndexBinary_reconstruct_n(
    index: *const FaissIndexBinary,
    i0: idx_t,
    ni: idx_t,
    recons: *mut u8,
) -> c_int

Reconstruct vectors i0 to i0 + ni - 1

this function may not be defined for some indexes @param index opaque pointer to index object @param recons reconstructed vector (size ni * d)