Function groonga_sys::groonga::grn_vector_add_element

pub unsafe extern "C" fn grn_vector_add_element(
    ctx: *mut grn_ctx, 
    vector: *mut grn_obj, 
    str: *const c_char, 
    str_len: c_uint, 
    weight: c_uint, 
    domain: grn_id
) -> grn_rc