pub unsafe extern "C" fn igraph_vector_bool_contains(
v: *const igraph_vector_bool_t,
e: igraph_bool_t,
) -> igraph_bool_tpub unsafe extern "C" fn igraph_vector_bool_contains(
v: *const igraph_vector_bool_t,
e: igraph_bool_t,
) -> igraph_bool_t