hash.c:683
static VALUE
rb_hash_to_a(hash)
    VALUE hash;
{
    VALUE ary;

    ary = rb_ary_new();
    st_foreach(RHASH(hash)->tbl, to_a_i, ary);
    if (OBJ_TAINTED(hash)) OBJ_TAINT(ary);

    return ary;
}
