to_s

/*
 *  call-seq:
 *     array.to_s -> string
 *  
 *  Returns _self_<code>.join</code>.
 *     
 *     [ "a", "e", "i", "o" ].to_s   #=> "aeio"
 *
 */

VALUE
rb_ary_to_s(ary)
    VALUE ary;
{
    if (RARRAY(ary)->len == 0) return rb_str_new(0, 0);
    
    return rb_ary_join(ary, rb_output_fs);
}